Home / 2,311.14-3,466.34-667.32

Finding the Fourth Proportional to 2,311.14, 3,466.34 and 667.32

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Solution

The fourth proportional to 2,311.14, 3,466.34 and 667.32 is: 1,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.14 : 3,466.34 = 667.32 : x
  2. Step 2: Convert to fraction form
    2,311.14/3,466.34 = 667.32/x
  3. Step 3: Cross multiply
    2,311.14x = 3,466.34 × 667.32
  4. Step 4: Simplify right side
    2,311.14x = 2,313,154.67
  5. Step 5: Solve for x
    x = 2,313,154.67/2,311.14
  6. Step 6: Final answer
    x = 1,000.87

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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.