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Finding the Fourth Proportional to 5,372.64, 7,414.62 and 3,014.88

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Solution

The fourth proportional to 5,372.64, 7,414.62 and 3,014.88 is: 4,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.64 : 7,414.62 = 3,014.88 : x
  2. Step 2: Convert to fraction form
    5,372.64/7,414.62 = 3,014.88/x
  3. Step 3: Cross multiply
    5,372.64x = 7,414.62 × 3,014.88
  4. Step 4: Simplify right side
    5,372.64x = 22,354,189.55
  5. Step 5: Solve for x
    x = 22,354,189.55/5,372.64
  6. Step 6: Final answer
    x = 4,160.75

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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.