Home / 2,949.36-4,422.42-1,217.04

Finding the Fourth Proportional to 2,949.36, 4,422.42 and 1,217.04

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Solution

The fourth proportional to 2,949.36, 4,422.42 and 1,217.04 is: 1,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.36 : 4,422.42 = 1,217.04 : x
  2. Step 2: Convert to fraction form
    2,949.36/4,422.42 = 1,217.04/x
  3. Step 3: Cross multiply
    2,949.36x = 4,422.42 × 1,217.04
  4. Step 4: Simplify right side
    2,949.36x = 5,382,262.04
  5. Step 5: Solve for x
    x = 5,382,262.04/2,949.36
  6. Step 6: Final answer
    x = 1,824.89

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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.