The point Q `(4, -2, 3)` is shown on the graph and the distance PQ required is indicated in pink:

Using the formula, we have:

`"distance"\ PQ = ` `sqrt ((x_2-x_1)^2+ (y_2-y_1)^2+ (z_2-z_1)^2)`

`= sqrt ((2-4)^2+(3-(-2))^2+(5-3)^2)`

`=5.74\ "units"`