Home / 5,427-8,134.83-2,507.22

Finding the Fourth Proportional to 5,427, 8,134.83 and 2,507.22

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Solution

The fourth proportional to 5,427, 8,134.83 and 2,507.22 is: 3,758.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427 : 8,134.83 = 2,507.22 : x
  2. Step 2: Convert to fraction form
    5,427/8,134.83 = 2,507.22/x
  3. Step 3: Cross multiply
    5,427x = 8,134.83 × 2,507.22
  4. Step 4: Simplify right side
    5,427x = 20,395,808.47
  5. Step 5: Solve for x
    x = 20,395,808.47/5,427
  6. Step 6: Final answer
    x = 3,758.21

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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.