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Finding the Fourth Proportional to 5,360.73, 7,397.82 and 3,002.88

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Solution

The fourth proportional to 5,360.73, 7,397.82 and 3,002.88 is: 4,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.73 : 7,397.82 = 3,002.88 : x
  2. Step 2: Convert to fraction form
    5,360.73/7,397.82 = 3,002.88/x
  3. Step 3: Cross multiply
    5,360.73x = 7,397.82 × 3,002.88
  4. Step 4: Simplify right side
    5,360.73x = 22,214,765.72
  5. Step 5: Solve for x
    x = 22,214,765.72/5,360.73
  6. Step 6: Final answer
    x = 4,143.98

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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.