Home / 5,815.76-8,727.44-3,474

Finding the Fourth Proportional to 5,815.76, 8,727.44 and 3,474

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Solution

The fourth proportional to 5,815.76, 8,727.44 and 3,474 is: 5,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.76 : 8,727.44 = 3,474 : x
  2. Step 2: Convert to fraction form
    5,815.76/8,727.44 = 3,474/x
  3. Step 3: Cross multiply
    5,815.76x = 8,727.44 × 3,474
  4. Step 4: Simplify right side
    5,815.76x = 30,319,126.56
  5. Step 5: Solve for x
    x = 30,319,126.56/5,815.76
  6. Step 6: Final answer
    x = 5,213.27

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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.