Home / 5,134.68-7,704.35-2,173.92

Finding the Fourth Proportional to 5,134.68, 7,704.35 and 2,173.92

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Solution

The fourth proportional to 5,134.68, 7,704.35 and 2,173.92 is: 3,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.68 : 7,704.35 = 2,173.92 : x
  2. Step 2: Convert to fraction form
    5,134.68/7,704.35 = 2,173.92/x
  3. Step 3: Cross multiply
    5,134.68x = 7,704.35 × 2,173.92
  4. Step 4: Simplify right side
    5,134.68x = 16,748,629.68
  5. Step 5: Solve for x
    x = 16,748,629.68/5,134.68
  6. Step 6: Final answer
    x = 3,261.86

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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.