Home / 4,531.81-6,257.45-2,939.22

Finding the Fourth Proportional to 4,531.81, 6,257.45 and 2,939.22

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Solution

The fourth proportional to 4,531.81, 6,257.45 and 2,939.22 is: 4,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,531.81 : 6,257.45 = 2,939.22 : x
  2. Step 2: Convert to fraction form
    4,531.81/6,257.45 = 2,939.22/x
  3. Step 3: Cross multiply
    4,531.81x = 6,257.45 × 2,939.22
  4. Step 4: Simplify right side
    4,531.81x = 18,392,022.19
  5. Step 5: Solve for x
    x = 18,392,022.19/4,531.81
  6. Step 6: Final answer
    x = 4,058.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.