Home / 4,077.76-6,116.96-1,769.44

Finding the Fourth Proportional to 4,077.76, 6,116.96 and 1,769.44

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Solution

The fourth proportional to 4,077.76, 6,116.96 and 1,769.44 is: 2,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.76 : 6,116.96 = 1,769.44 : x
  2. Step 2: Convert to fraction form
    4,077.76/6,116.96 = 1,769.44/x
  3. Step 3: Cross multiply
    4,077.76x = 6,116.96 × 1,769.44
  4. Step 4: Simplify right side
    4,077.76x = 10,823,593.70
  5. Step 5: Solve for x
    x = 10,823,593.70/4,077.76
  6. Step 6: Final answer
    x = 2,654.30

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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.