Home / 5,160.41-7,124.31-3,397.14

Finding the Fourth Proportional to 5,160.41, 7,124.31 and 3,397.14

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Solution

The fourth proportional to 5,160.41, 7,124.31 and 3,397.14 is: 4,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.41 : 7,124.31 = 3,397.14 : x
  2. Step 2: Convert to fraction form
    5,160.41/7,124.31 = 3,397.14/x
  3. Step 3: Cross multiply
    5,160.41x = 7,124.31 × 3,397.14
  4. Step 4: Simplify right side
    5,160.41x = 24,202,288.03
  5. Step 5: Solve for x
    x = 24,202,288.03/5,160.41
  6. Step 6: Final answer
    x = 4,689.99

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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.