Home / 5,449.50-8,174.33-1,553.91

Finding the Fourth Proportional to 5,449.50, 8,174.33 and 1,553.91

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Solution

The fourth proportional to 5,449.50, 8,174.33 and 1,553.91 is: 2,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.50 : 8,174.33 = 1,553.91 : x
  2. Step 2: Convert to fraction form
    5,449.50/8,174.33 = 1,553.91/x
  3. Step 3: Cross multiply
    5,449.50x = 8,174.33 × 1,553.91
  4. Step 4: Simplify right side
    5,449.50x = 12,702,136.16
  5. Step 5: Solve for x
    x = 12,702,136.16/5,449.50
  6. Step 6: Final answer
    x = 2,330.88

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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.