Answer:
(6.2, 4.5)
Explanation:
This can be solved using section formula, shown below:

and

Where m and n are the ratio segmentation. Hence,
m = 1
n = 3
The points of x_1, x_2, y_1, and y_2 are given point respectively.
A(7.5, 4.2)
B(2.3, 5.4)
Thus, we have:

and

The coordinates are (6.2, 4.5)