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Finding the Fourth Proportional to 5,728.29, 8,586.44 and 2,398.44

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Solution

The fourth proportional to 5,728.29, 8,586.44 and 2,398.44 is: 3,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.29 : 8,586.44 = 2,398.44 : x
  2. Step 2: Convert to fraction form
    5,728.29/8,586.44 = 2,398.44/x
  3. Step 3: Cross multiply
    5,728.29x = 8,586.44 × 2,398.44
  4. Step 4: Simplify right side
    5,728.29x = 20,594,049.16
  5. Step 5: Solve for x
    x = 20,594,049.16/5,728.29
  6. Step 6: Final answer
    x = 3,595.15

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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.