Home / 3,974.15-5,961.22-1,508.38

Finding the Fourth Proportional to 3,974.15, 5,961.22 and 1,508.38

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Solution

The fourth proportional to 3,974.15, 5,961.22 and 1,508.38 is: 2,262.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.15 : 5,961.22 = 1,508.38 : x
  2. Step 2: Convert to fraction form
    3,974.15/5,961.22 = 1,508.38/x
  3. Step 3: Cross multiply
    3,974.15x = 5,961.22 × 1,508.38
  4. Step 4: Simplify right side
    3,974.15x = 8,991,766.35
  5. Step 5: Solve for x
    x = 8,991,766.35/3,974.15
  6. Step 6: Final answer
    x = 2,262.57

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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.