Home / 2,311.16-3,466.35-667.33

Finding the Fourth Proportional to 2,311.16, 3,466.35 and 667.33

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Solution

The fourth proportional to 2,311.16, 3,466.35 and 667.33 is: 1,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.16 : 3,466.35 = 667.33 : x
  2. Step 2: Convert to fraction form
    2,311.16/3,466.35 = 667.33/x
  3. Step 3: Cross multiply
    2,311.16x = 3,466.35 × 667.33
  4. Step 4: Simplify right side
    2,311.16x = 2,313,199.35
  5. Step 5: Solve for x
    x = 2,313,199.35/2,311.16
  6. Step 6: Final answer
    x = 1,000.88

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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.