Home / 1,491.28-2,236.97-566.66

Finding the Fourth Proportional to 1,491.28, 2,236.97 and 566.66

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Solution

The fourth proportional to 1,491.28, 2,236.97 and 566.66 is: 850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.28 : 2,236.97 = 566.66 : x
  2. Step 2: Convert to fraction form
    1,491.28/2,236.97 = 566.66/x
  3. Step 3: Cross multiply
    1,491.28x = 2,236.97 × 566.66
  4. Step 4: Simplify right side
    1,491.28x = 1,267,608.43
  5. Step 5: Solve for x
    x = 1,267,608.43/1,491.28
  6. Step 6: Final answer
    x = 850.02

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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.