2 6/11 : 1 3/5 = x : 3 4/5
28/11 : 8/5 = x : 19/5
28/11 × 5/8 = 5x/19
140/88 = 5x/19
5x = 140/88 × 19
5x = 665/22
x = 665/22 : 5
x = 133/22
x = 6 1/22
ответ: x = 6 1/22
2 6/11 : 1 3/5 = x : 3 4/5
28/11 : 8/5 = x : 19/5
28/11 × 5/8 = 5x/19
140/88 = 5x/19
5x = 140/88 × 19
5x = 665/22
x = 665/22 : 5
x = 133/22
x = 6 1/22
ответ: x = 6 1/22