Home / 3,753.62-5,174.48-2,631.16

Finding the Fourth Proportional to 3,753.62, 5,174.48 and 2,631.16

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Solution

The fourth proportional to 3,753.62, 5,174.48 and 2,631.16 is: 3,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.62 : 5,174.48 = 2,631.16 : x
  2. Step 2: Convert to fraction form
    3,753.62/5,174.48 = 2,631.16/x
  3. Step 3: Cross multiply
    3,753.62x = 5,174.48 × 2,631.16
  4. Step 4: Simplify right side
    3,753.62x = 13,614,884.80
  5. Step 5: Solve for x
    x = 13,614,884.80/3,753.62
  6. Step 6: Final answer
    x = 3,627.13

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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.