Home / 2,327.21-3,491.33-767.70

Finding the Fourth Proportional to 2,327.21, 3,491.33 and 767.70

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Solution

The fourth proportional to 2,327.21, 3,491.33 and 767.70 is: 1,151.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.21 : 3,491.33 = 767.70 : x
  2. Step 2: Convert to fraction form
    2,327.21/3,491.33 = 767.70/x
  3. Step 3: Cross multiply
    2,327.21x = 3,491.33 × 767.70
  4. Step 4: Simplify right side
    2,327.21x = 2,680,294.04
  5. Step 5: Solve for x
    x = 2,680,294.04/2,327.21
  6. Step 6: Final answer
    x = 1,151.72

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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.