Home / 5,061.29-6,987.47-3,385.53

Finding the Fourth Proportional to 5,061.29, 6,987.47 and 3,385.53

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Solution

The fourth proportional to 5,061.29, 6,987.47 and 3,385.53 is: 4,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.29 : 6,987.47 = 3,385.53 : x
  2. Step 2: Convert to fraction form
    5,061.29/6,987.47 = 3,385.53/x
  3. Step 3: Cross multiply
    5,061.29x = 6,987.47 × 3,385.53
  4. Step 4: Simplify right side
    5,061.29x = 23,656,272.38
  5. Step 5: Solve for x
    x = 23,656,272.38/5,061.29
  6. Step 6: Final answer
    x = 4,673.97

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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.