Home / 3,863.12-5,793.72-1,267.60

Finding the Fourth Proportional to 3,863.12, 5,793.72 and 1,267.60

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Solution

The fourth proportional to 3,863.12, 5,793.72 and 1,267.60 is: 1,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.12 : 5,793.72 = 1,267.60 : x
  2. Step 2: Convert to fraction form
    3,863.12/5,793.72 = 1,267.60/x
  3. Step 3: Cross multiply
    3,863.12x = 5,793.72 × 1,267.60
  4. Step 4: Simplify right side
    3,863.12x = 7,344,119.47
  5. Step 5: Solve for x
    x = 7,344,119.47/3,863.12
  6. Step 6: Final answer
    x = 1,901.08

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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.