Home / 5,173.28-7,761.14-1,475.56

Finding the Fourth Proportional to 5,173.28, 7,761.14 and 1,475.56

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Solution

The fourth proportional to 5,173.28, 7,761.14 and 1,475.56 is: 2,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.28 : 7,761.14 = 1,475.56 : x
  2. Step 2: Convert to fraction form
    5,173.28/7,761.14 = 1,475.56/x
  3. Step 3: Cross multiply
    5,173.28x = 7,761.14 × 1,475.56
  4. Step 4: Simplify right side
    5,173.28x = 11,452,027.74
  5. Step 5: Solve for x
    x = 11,452,027.74/5,173.28
  6. Step 6: Final answer
    x = 2,213.69

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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.