Home / 5,371.19-7,412.92-3,013.31

Finding the Fourth Proportional to 5,371.19, 7,412.92 and 3,013.31

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Solution

The fourth proportional to 5,371.19, 7,412.92 and 3,013.31 is: 4,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.19 : 7,412.92 = 3,013.31 : x
  2. Step 2: Convert to fraction form
    5,371.19/7,412.92 = 3,013.31/x
  3. Step 3: Cross multiply
    5,371.19x = 7,412.92 × 3,013.31
  4. Step 4: Simplify right side
    5,371.19x = 22,337,436.96
  5. Step 5: Solve for x
    x = 22,337,436.96/5,371.19
  6. Step 6: Final answer
    x = 4,158.75

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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.