Home / 3,770.11-5,655.78-1,172.44

Finding the Fourth Proportional to 3,770.11, 5,655.78 and 1,172.44

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Solution

The fourth proportional to 3,770.11, 5,655.78 and 1,172.44 is: 1,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.11 : 5,655.78 = 1,172.44 : x
  2. Step 2: Convert to fraction form
    3,770.11/5,655.78 = 1,172.44/x
  3. Step 3: Cross multiply
    3,770.11x = 5,655.78 × 1,172.44
  4. Step 4: Simplify right side
    3,770.11x = 6,631,048.56
  5. Step 5: Solve for x
    x = 6,631,048.56/3,770.11
  6. Step 6: Final answer
    x = 1,758.85

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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.