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Finding the Fourth Proportional to 5,764.89, 7,956.59 and 4,520.73

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Solution

The fourth proportional to 5,764.89, 7,956.59 and 4,520.73 is: 6,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,764.89 : 7,956.59 = 4,520.73 : x
  2. Step 2: Convert to fraction form
    5,764.89/7,956.59 = 4,520.73/x
  3. Step 3: Cross multiply
    5,764.89x = 7,956.59 × 4,520.73
  4. Step 4: Simplify right side
    5,764.89x = 35,969,595.11
  5. Step 5: Solve for x
    x = 35,969,595.11/5,764.89
  6. Step 6: Final answer
    x = 6,239.42

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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.