Home / 5,921.38-8,882.14-1,538.58

Finding the Fourth Proportional to 5,921.38, 8,882.14 and 1,538.58

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Solution

The fourth proportional to 5,921.38, 8,882.14 and 1,538.58 is: 2,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.38 : 8,882.14 = 1,538.58 : x
  2. Step 2: Convert to fraction form
    5,921.38/8,882.14 = 1,538.58/x
  3. Step 3: Cross multiply
    5,921.38x = 8,882.14 × 1,538.58
  4. Step 4: Simplify right side
    5,921.38x = 13,665,882.96
  5. Step 5: Solve for x
    x = 13,665,882.96/5,921.38
  6. Step 6: Final answer
    x = 2,307.89

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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.