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Finding the Fourth Proportional to 5,007.52, 6,910.42 and 2,738.92

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Solution

The fourth proportional to 5,007.52, 6,910.42 and 2,738.92 is: 3,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.52 : 6,910.42 = 2,738.92 : x
  2. Step 2: Convert to fraction form
    5,007.52/6,910.42 = 2,738.92/x
  3. Step 3: Cross multiply
    5,007.52x = 6,910.42 × 2,738.92
  4. Step 4: Simplify right side
    5,007.52x = 18,927,087.55
  5. Step 5: Solve for x
    x = 18,927,087.55/5,007.52
  6. Step 6: Final answer
    x = 3,779.73

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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.