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Finding the Fourth Proportional to 3,953.66, 5,930.70 and 3,372.72

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Solution

The fourth proportional to 3,953.66, 5,930.70 and 3,372.72 is: 5,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.66 : 5,930.70 = 3,372.72 : x
  2. Step 2: Convert to fraction form
    3,953.66/5,930.70 = 3,372.72/x
  3. Step 3: Cross multiply
    3,953.66x = 5,930.70 × 3,372.72
  4. Step 4: Simplify right side
    3,953.66x = 20,002,590.50
  5. Step 5: Solve for x
    x = 20,002,590.50/3,953.66
  6. Step 6: Final answer
    x = 5,059.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.