Home / 6,481.66-9,721.44-2,320.96

Finding the Fourth Proportional to 6,481.66, 9,721.44 and 2,320.96

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Solution

The fourth proportional to 6,481.66, 9,721.44 and 2,320.96 is: 3,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.66 : 9,721.44 = 2,320.96 : x
  2. Step 2: Convert to fraction form
    6,481.66/9,721.44 = 2,320.96/x
  3. Step 3: Cross multiply
    6,481.66x = 9,721.44 × 2,320.96
  4. Step 4: Simplify right side
    6,481.66x = 22,563,073.38
  5. Step 5: Solve for x
    x = 22,563,073.38/6,481.66
  6. Step 6: Final answer
    x = 3,481.06

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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.