5.333333... is just 5 1/3, so when you make it an improper fraction you get 16/3 or 16:3, same thing as 48:9 or a triple-wide 16:9 setup. So you're looking at 3 2560x1440 monitors side-by-side.
5.333333... is just 5 1/3, so when you make it an improper fraction you get 16/3 or 16:3, same thing as 48:9 or a triple-wide 16:9 setup. So you're looking at 3 2560x1440 monitors side-by-side.