Home / 6,747.60-10,121.46-2,067.60

Finding the Fourth Proportional to 6,747.60, 10,121.46 and 2,067.60

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Solution

The fourth proportional to 6,747.60, 10,121.46 and 2,067.60 is: 3,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.60 : 10,121.46 = 2,067.60 : x
  2. Step 2: Convert to fraction form
    6,747.60/10,121.46 = 2,067.60/x
  3. Step 3: Cross multiply
    6,747.60x = 10,121.46 × 2,067.60
  4. Step 4: Simplify right side
    6,747.60x = 20,927,130.70
  5. Step 5: Solve for x
    x = 20,927,130.70/6,747.60
  6. Step 6: Final answer
    x = 3,101.42

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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.