Home / 6,787.44-10,177.97-2,629.40

Finding the Fourth Proportional to 6,787.44, 10,177.97 and 2,629.40

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Solution

The fourth proportional to 6,787.44, 10,177.97 and 2,629.40 is: 3,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.44 : 10,177.97 = 2,629.40 : x
  2. Step 2: Convert to fraction form
    6,787.44/10,177.97 = 2,629.40/x
  3. Step 3: Cross multiply
    6,787.44x = 10,177.97 × 2,629.40
  4. Step 4: Simplify right side
    6,787.44x = 26,761,890.28
  5. Step 5: Solve for x
    x = 26,761,890.28/6,787.44
  6. Step 6: Final answer
    x = 3,942.85

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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.