Question 867126
x/2 + 2x/3 + 3x/4 = 5290
multiply both sides of = by 12
6x + 8x + 9x = 5290 * 12
23x = 5290 * 12
x = 230 * 12
x = 2760
our three numbers are 1380, 1840, 2070
therefore 2070 - 1380 = 690 is the answer