Home / 2,299.59-3,450.33-839.97

Finding the Fourth Proportional to 2,299.59, 3,450.33 and 839.97

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Solution

The fourth proportional to 2,299.59, 3,450.33 and 839.97 is: 1,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.59 : 3,450.33 = 839.97 : x
  2. Step 2: Convert to fraction form
    2,299.59/3,450.33 = 839.97/x
  3. Step 3: Cross multiply
    2,299.59x = 3,450.33 × 839.97
  4. Step 4: Simplify right side
    2,299.59x = 2,898,173.69
  5. Step 5: Solve for x
    x = 2,898,173.69/2,299.59
  6. Step 6: Final answer
    x = 1,260.30

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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.