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Finding the Fourth Proportional to 5,757.91, 8,639.30 and 2,836.24

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Solution

The fourth proportional to 5,757.91, 8,639.30 and 2,836.24 is: 4,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.91 : 8,639.30 = 2,836.24 : x
  2. Step 2: Convert to fraction form
    5,757.91/8,639.30 = 2,836.24/x
  3. Step 3: Cross multiply
    5,757.91x = 8,639.30 × 2,836.24
  4. Step 4: Simplify right side
    5,757.91x = 24,503,114.05
  5. Step 5: Solve for x
    x = 24,503,114.05/5,757.91
  6. Step 6: Final answer
    x = 4,255.56

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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.