Home / 5,536.32-7,640.30-3,178.92

Finding the Fourth Proportional to 5,536.32, 7,640.30 and 3,178.92

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Solution

The fourth proportional to 5,536.32, 7,640.30 and 3,178.92 is: 4,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,536.32 : 7,640.30 = 3,178.92 : x
  2. Step 2: Convert to fraction form
    5,536.32/7,640.30 = 3,178.92/x
  3. Step 3: Cross multiply
    5,536.32x = 7,640.30 × 3,178.92
  4. Step 4: Simplify right side
    5,536.32x = 24,287,902.48
  5. Step 5: Solve for x
    x = 24,287,902.48/5,536.32
  6. Step 6: Final answer
    x = 4,387.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.