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Finding the Fourth Proportional to 4,739, 6,540.24 and 2,614.88

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Solution

The fourth proportional to 4,739, 6,540.24 and 2,614.88 is: 3,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739 : 6,540.24 = 2,614.88 : x
  2. Step 2: Convert to fraction form
    4,739/6,540.24 = 2,614.88/x
  3. Step 3: Cross multiply
    4,739x = 6,540.24 × 2,614.88
  4. Step 4: Simplify right side
    4,739x = 17,101,942.77
  5. Step 5: Solve for x
    x = 17,101,942.77/4,739
  6. Step 6: Final answer
    x = 3,608.77

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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.