Question

which of the following are in proportion (a) 90,270,17,51
tell me fast pleeeaaasssse​

Answer 1

where are other options

Answer 2

Answer:

$a \times d = b \times c \\ \\ = > 90 \times 51 = 270 \times 17 \\ \\ = > 4590 = 4590 \\ \\ \\ they \: are \: in \: prportion . \\ \\ \\ \\ \\ hope \: this \: help \: you.$