Home / 2,311.26-3,466.38-667.50

Finding the Fourth Proportional to 2,311.26, 3,466.38 and 667.50

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Solution

The fourth proportional to 2,311.26, 3,466.38 and 667.50 is: 1,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.26 : 3,466.38 = 667.50 : x
  2. Step 2: Convert to fraction form
    2,311.26/3,466.38 = 667.50/x
  3. Step 3: Cross multiply
    2,311.26x = 3,466.38 × 667.50
  4. Step 4: Simplify right side
    2,311.26x = 2,313,808.65
  5. Step 5: Solve for x
    x = 2,313,808.65/2,311.26
  6. Step 6: Final answer
    x = 1,001.10

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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.