Home / 3,359.14-5,049.60-2,068.78

Finding the Fourth Proportional to 3,359.14, 5,049.60 and 2,068.78

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Solution

The fourth proportional to 3,359.14, 5,049.60 and 2,068.78 is: 3,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.14 : 5,049.60 = 2,068.78 : x
  2. Step 2: Convert to fraction form
    3,359.14/5,049.60 = 2,068.78/x
  3. Step 3: Cross multiply
    3,359.14x = 5,049.60 × 2,068.78
  4. Step 4: Simplify right side
    3,359.14x = 10,446,511.49
  5. Step 5: Solve for x
    x = 10,446,511.49/3,359.14
  6. Step 6: Final answer
    x = 3,109.88

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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.