Home / 5,444.32-8,160-3,791.92

Finding the Fourth Proportional to 5,444.32, 8,160 and 3,791.92

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Solution

The fourth proportional to 5,444.32, 8,160 and 3,791.92 is: 5,683.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.32 : 8,160 = 3,791.92 : x
  2. Step 2: Convert to fraction form
    5,444.32/8,160 = 3,791.92/x
  3. Step 3: Cross multiply
    5,444.32x = 8,160 × 3,791.92
  4. Step 4: Simplify right side
    5,444.32x = 30,942,067.20
  5. Step 5: Solve for x
    x = 30,942,067.20/5,444.32
  6. Step 6: Final answer
    x = 5,683.37

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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.