IMAX theaters have the world’s largest screens. There are numerous IMAX theaters around the world. The Henry Ford Museum in Dearborn, MI hosts an IMAX theater with a 60 ft x 84 ft screen. If a classroom projection screen were changed to be in direct proportion with the IMAX screen at the Henry Ford Museum, the dimensions would be 5ft x ___ft?

Question

jhonyy9 · Answer

do you know what mean ,,direct proportion " ?

richkid132 · Answer

yes

Mercury · Answer

so the IMAX screen is 60 x 84 feet, while the classroom screen is 5 x __ feet (unknown quantity in the blank that we're trying to solve for)

setting up the proportion (shorter dimension x longer dimension)

60/84 = 5/x

solve for x by cross-multiplying