Home / 5,061.90-7,581.11-4,886.70

Finding the Fourth Proportional to 5,061.90, 7,581.11 and 4,886.70

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Solution

The fourth proportional to 5,061.90, 7,581.11 and 4,886.70 is: 7,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.90 : 7,581.11 = 4,886.70 : x
  2. Step 2: Convert to fraction form
    5,061.90/7,581.11 = 4,886.70/x
  3. Step 3: Cross multiply
    5,061.90x = 7,581.11 × 4,886.70
  4. Step 4: Simplify right side
    5,061.90x = 37,046,585.80
  5. Step 5: Solve for x
    x = 37,046,585.80/5,061.90
  6. Step 6: Final answer
    x = 7,318.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.