Home / 2,311.27-3,466.39-667.46

Finding the Fourth Proportional to 2,311.27, 3,466.39 and 667.46

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Solution

The fourth proportional to 2,311.27, 3,466.39 and 667.46 is: 1,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.27 : 3,466.39 = 667.46 : x
  2. Step 2: Convert to fraction form
    2,311.27/3,466.39 = 667.46/x
  3. Step 3: Cross multiply
    2,311.27x = 3,466.39 × 667.46
  4. Step 4: Simplify right side
    2,311.27x = 2,313,668.00
  5. Step 5: Solve for x
    x = 2,313,668.00/2,311.27
  6. Step 6: Final answer
    x = 1,001.04

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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.