Home / 4,169.04-6,255-2,787.92

Finding the Fourth Proportional to 4,169.04, 6,255 and 2,787.92

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Solution

The fourth proportional to 4,169.04, 6,255 and 2,787.92 is: 4,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.04 : 6,255 = 2,787.92 : x
  2. Step 2: Convert to fraction form
    4,169.04/6,255 = 2,787.92/x
  3. Step 3: Cross multiply
    4,169.04x = 6,255 × 2,787.92
  4. Step 4: Simplify right side
    4,169.04x = 17,438,439.60
  5. Step 5: Solve for x
    x = 17,438,439.60/4,169.04
  6. Step 6: Final answer
    x = 4,182.84

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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.