Home / 3,747.13-5,170.24-2,174.38

Finding the Fourth Proportional to 3,747.13, 5,170.24 and 2,174.38

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Solution

The fourth proportional to 3,747.13, 5,170.24 and 2,174.38 is: 3,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.13 : 5,170.24 = 2,174.38 : x
  2. Step 2: Convert to fraction form
    3,747.13/5,170.24 = 2,174.38/x
  3. Step 3: Cross multiply
    3,747.13x = 5,170.24 × 2,174.38
  4. Step 4: Simplify right side
    3,747.13x = 11,242,061.02
  5. Step 5: Solve for x
    x = 11,242,061.02/3,747.13
  6. Step 6: Final answer
    x = 3,000.18

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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.