Home / 3,676.98-5,516.39-1,079.92

Finding the Fourth Proportional to 3,676.98, 5,516.39 and 1,079.92

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Solution

The fourth proportional to 3,676.98, 5,516.39 and 1,079.92 is: 1,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.98 : 5,516.39 = 1,079.92 : x
  2. Step 2: Convert to fraction form
    3,676.98/5,516.39 = 1,079.92/x
  3. Step 3: Cross multiply
    3,676.98x = 5,516.39 × 1,079.92
  4. Step 4: Simplify right side
    3,676.98x = 5,957,240.70
  5. Step 5: Solve for x
    x = 5,957,240.70/3,676.98
  6. Step 6: Final answer
    x = 1,620.14

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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.