Home / 3,198.89-4,414.41-1,782.53

Finding the Fourth Proportional to 3,198.89, 4,414.41 and 1,782.53

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Solution

The fourth proportional to 3,198.89, 4,414.41 and 1,782.53 is: 2,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.89 : 4,414.41 = 1,782.53 : x
  2. Step 2: Convert to fraction form
    3,198.89/4,414.41 = 1,782.53/x
  3. Step 3: Cross multiply
    3,198.89x = 4,414.41 × 1,782.53
  4. Step 4: Simplify right side
    3,198.89x = 7,868,796.19
  5. Step 5: Solve for x
    x = 7,868,796.19/3,198.89
  6. Step 6: Final answer
    x = 2,459.86

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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.