Home / 5,174.45-7,759.40-1,475.85

Finding the Fourth Proportional to 5,174.45, 7,759.40 and 1,475.85

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Solution

The fourth proportional to 5,174.45, 7,759.40 and 1,475.85 is: 2,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.45 : 7,759.40 = 1,475.85 : x
  2. Step 2: Convert to fraction form
    5,174.45/7,759.40 = 1,475.85/x
  3. Step 3: Cross multiply
    5,174.45x = 7,759.40 × 1,475.85
  4. Step 4: Simplify right side
    5,174.45x = 11,451,710.49
  5. Step 5: Solve for x
    x = 11,451,710.49/5,174.45
  6. Step 6: Final answer
    x = 2,213.13

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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.