Mine had middle support so that helped. Mine was 38381/4" and was just flexible enough to fit into the lip on the table.

It didn't warp or bend or anything

So I replaced my glass with a full sheet of Acrylic. We had it for 3 years with no issue. Also mine was 1/4" thick. https://www.tapplastics.com/

I got mine from this site and ended up going with a frosted grey. It showe much less scratches than regular.

I recommend putting a tray on top to hold remotes etc. Then put felt bumpers on the tray.

Do not use an abrasive cleaners and use a soft lint free towel. Ours literally last us for 4 years before the scratches became pretty evident but even then it was fine just looked older.

New glass everywhere local was going to cost me more than I paid for the table so I went this route. Also you can get sample pieces from them for like $2.00 each and that way you can look at your color frost options