Home / 6,481.34-9,723.56-2,098.80

Finding the Fourth Proportional to 6,481.34, 9,723.56 and 2,098.80

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Solution

The fourth proportional to 6,481.34, 9,723.56 and 2,098.80 is: 3,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.34 : 9,723.56 = 2,098.80 : x
  2. Step 2: Convert to fraction form
    6,481.34/9,723.56 = 2,098.80/x
  3. Step 3: Cross multiply
    6,481.34x = 9,723.56 × 2,098.80
  4. Step 4: Simplify right side
    6,481.34x = 20,407,797.23
  5. Step 5: Solve for x
    x = 20,407,797.23/6,481.34
  6. Step 6: Final answer
    x = 3,148.70

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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.