Home / 7,179.85-10,769.44-2,182.05

Finding the Fourth Proportional to 7,179.85, 10,769.44 and 2,182.05

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Solution

The fourth proportional to 7,179.85, 10,769.44 and 2,182.05 is: 3,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.85 : 10,769.44 = 2,182.05 : x
  2. Step 2: Convert to fraction form
    7,179.85/10,769.44 = 2,182.05/x
  3. Step 3: Cross multiply
    7,179.85x = 10,769.44 × 2,182.05
  4. Step 4: Simplify right side
    7,179.85x = 23,499,397.58
  5. Step 5: Solve for x
    x = 23,499,397.58/7,179.85
  6. Step 6: Final answer
    x = 3,272.96

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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.