Home / 3,318.33-4,579.25-1,974.88

Finding the Fourth Proportional to 3,318.33, 4,579.25 and 1,974.88

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Solution

The fourth proportional to 3,318.33, 4,579.25 and 1,974.88 is: 2,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.33 : 4,579.25 = 1,974.88 : x
  2. Step 2: Convert to fraction form
    3,318.33/4,579.25 = 1,974.88/x
  3. Step 3: Cross multiply
    3,318.33x = 4,579.25 × 1,974.88
  4. Step 4: Simplify right side
    3,318.33x = 9,043,476.20
  5. Step 5: Solve for x
    x = 9,043,476.20/3,318.33
  6. Step 6: Final answer
    x = 2,725.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.