Home / 6,736.60-10,103.18-2,119.56

Finding the Fourth Proportional to 6,736.60, 10,103.18 and 2,119.56

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Solution

The fourth proportional to 6,736.60, 10,103.18 and 2,119.56 is: 3,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,736.60 : 10,103.18 = 2,119.56 : x
  2. Step 2: Convert to fraction form
    6,736.60/10,103.18 = 2,119.56/x
  3. Step 3: Cross multiply
    6,736.60x = 10,103.18 × 2,119.56
  4. Step 4: Simplify right side
    6,736.60x = 21,414,296.20
  5. Step 5: Solve for x
    x = 21,414,296.20/6,736.60
  6. Step 6: Final answer
    x = 3,178.80

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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.