Home / 5,173.61-7,760.50-1,475.69

Finding the Fourth Proportional to 5,173.61, 7,760.50 and 1,475.69

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Solution

The fourth proportional to 5,173.61, 7,760.50 and 1,475.69 is: 2,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.61 : 7,760.50 = 1,475.69 : x
  2. Step 2: Convert to fraction form
    5,173.61/7,760.50 = 1,475.69/x
  3. Step 3: Cross multiply
    5,173.61x = 7,760.50 × 1,475.69
  4. Step 4: Simplify right side
    5,173.61x = 11,452,049.75
  5. Step 5: Solve for x
    x = 11,452,049.75/5,173.61
  6. Step 6: Final answer
    x = 2,213.55

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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.