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Finding the Fourth Proportional to 5,363.90, 8,032.15 and 3,174.20

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Solution

The fourth proportional to 5,363.90, 8,032.15 and 3,174.20 is: 4,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.90 : 8,032.15 = 3,174.20 : x
  2. Step 2: Convert to fraction form
    5,363.90/8,032.15 = 3,174.20/x
  3. Step 3: Cross multiply
    5,363.90x = 8,032.15 × 3,174.20
  4. Step 4: Simplify right side
    5,363.90x = 25,495,650.53
  5. Step 5: Solve for x
    x = 25,495,650.53/5,363.90
  6. Step 6: Final answer
    x = 4,753.19

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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.