Home / 3,198.88-4,414.39-1,801.63

Finding the Fourth Proportional to 3,198.88, 4,414.39 and 1,801.63

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Solution

The fourth proportional to 3,198.88, 4,414.39 and 1,801.63 is: 2,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.88 : 4,414.39 = 1,801.63 : x
  2. Step 2: Convert to fraction form
    3,198.88/4,414.39 = 1,801.63/x
  3. Step 3: Cross multiply
    3,198.88x = 4,414.39 × 1,801.63
  4. Step 4: Simplify right side
    3,198.88x = 7,953,097.46
  5. Step 5: Solve for x
    x = 7,953,097.46/3,198.88
  6. Step 6: Final answer
    x = 2,486.21

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1.5x scale

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.