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Finding the Fourth Proportional to 4,375.38, 6,562.10 and 1,255.38

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Solution

The fourth proportional to 4,375.38, 6,562.10 and 1,255.38 is: 1,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375.38 : 6,562.10 = 1,255.38 : x
  2. Step 2: Convert to fraction form
    4,375.38/6,562.10 = 1,255.38/x
  3. Step 3: Cross multiply
    4,375.38x = 6,562.10 × 1,255.38
  4. Step 4: Simplify right side
    4,375.38x = 8,237,929.10
  5. Step 5: Solve for x
    x = 8,237,929.10/4,375.38
  6. Step 6: Final answer
    x = 1,882.79

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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.