Home / 6,137.91-8,470.31-3,343.41

Finding the Fourth Proportional to 6,137.91, 8,470.31 and 3,343.41

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Solution

The fourth proportional to 6,137.91, 8,470.31 and 3,343.41 is: 4,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,137.91 : 8,470.31 = 3,343.41 : x
  2. Step 2: Convert to fraction form
    6,137.91/8,470.31 = 3,343.41/x
  3. Step 3: Cross multiply
    6,137.91x = 8,470.31 × 3,343.41
  4. Step 4: Simplify right side
    6,137.91x = 28,319,695.75
  5. Step 5: Solve for x
    x = 28,319,695.75/6,137.91
  6. Step 6: Final answer
    x = 4,613.90

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Why These Related Problems?

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