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Finding the Fourth Proportional to 5,704.56, 7,869.96 and 4,520.88

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Solution

The fourth proportional to 5,704.56, 7,869.96 and 4,520.88 is: 6,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.56 : 7,869.96 = 4,520.88 : x
  2. Step 2: Convert to fraction form
    5,704.56/7,869.96 = 4,520.88/x
  3. Step 3: Cross multiply
    5,704.56x = 7,869.96 × 4,520.88
  4. Step 4: Simplify right side
    5,704.56x = 35,579,144.76
  5. Step 5: Solve for x
    x = 35,579,144.76/5,704.56
  6. Step 6: Final answer
    x = 6,236.97

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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.