Home / 4,130.52-6,189.68-3,791.12

Finding the Fourth Proportional to 4,130.52, 6,189.68 and 3,791.12

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Solution

The fourth proportional to 4,130.52, 6,189.68 and 3,791.12 is: 5,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.52 : 6,189.68 = 3,791.12 : x
  2. Step 2: Convert to fraction form
    4,130.52/6,189.68 = 3,791.12/x
  3. Step 3: Cross multiply
    4,130.52x = 6,189.68 × 3,791.12
  4. Step 4: Simplify right side
    4,130.52x = 23,465,819.64
  5. Step 5: Solve for x
    x = 23,465,819.64/4,130.52
  6. Step 6: Final answer
    x = 5,681.08

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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.