Home / 4,114.40-6,171.60-1,805.90

Finding the Fourth Proportional to 4,114.40, 6,171.60 and 1,805.90

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Solution

The fourth proportional to 4,114.40, 6,171.60 and 1,805.90 is: 2,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.40 : 6,171.60 = 1,805.90 : x
  2. Step 2: Convert to fraction form
    4,114.40/6,171.60 = 1,805.90/x
  3. Step 3: Cross multiply
    4,114.40x = 6,171.60 × 1,805.90
  4. Step 4: Simplify right side
    4,114.40x = 11,145,292.44
  5. Step 5: Solve for x
    x = 11,145,292.44/4,114.40
  6. Step 6: Final answer
    x = 2,708.85

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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.