Home / 3,997.41-5,516.15-2,229.12

Finding the Fourth Proportional to 3,997.41, 5,516.15 and 2,229.12

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Solution

The fourth proportional to 3,997.41, 5,516.15 and 2,229.12 is: 3,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.41 : 5,516.15 = 2,229.12 : x
  2. Step 2: Convert to fraction form
    3,997.41/5,516.15 = 2,229.12/x
  3. Step 3: Cross multiply
    3,997.41x = 5,516.15 × 2,229.12
  4. Step 4: Simplify right side
    3,997.41x = 12,296,149.14
  5. Step 5: Solve for x
    x = 12,296,149.14/3,997.41
  6. Step 6: Final answer
    x = 3,076.03

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Half scale
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Double scale
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Similar ratio
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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.