Home / 3,974.17-5,961.30-1,376.50

Finding the Fourth Proportional to 3,974.17, 5,961.30 and 1,376.50

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Solution

The fourth proportional to 3,974.17, 5,961.30 and 1,376.50 is: 2,064.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.17 : 5,961.30 = 1,376.50 : x
  2. Step 2: Convert to fraction form
    3,974.17/5,961.30 = 1,376.50/x
  3. Step 3: Cross multiply
    3,974.17x = 5,961.30 × 1,376.50
  4. Step 4: Simplify right side
    3,974.17x = 8,205,729.45
  5. Step 5: Solve for x
    x = 8,205,729.45/3,974.17
  6. Step 6: Final answer
    x = 2,064.77

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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.