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Finding the Fourth Proportional to 5,701.93, 8,540.90 and 2,920.15

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Solution

The fourth proportional to 5,701.93, 8,540.90 and 2,920.15 is: 4,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,701.93 : 8,540.90 = 2,920.15 : x
  2. Step 2: Convert to fraction form
    5,701.93/8,540.90 = 2,920.15/x
  3. Step 3: Cross multiply
    5,701.93x = 8,540.90 × 2,920.15
  4. Step 4: Simplify right side
    5,701.93x = 24,940,694.53
  5. Step 5: Solve for x
    x = 24,940,694.53/5,701.93
  6. Step 6: Final answer
    x = 4,374.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.