Home / 4,198.12-5,791.94-2,801.72

Finding the Fourth Proportional to 4,198.12, 5,791.94 and 2,801.72

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Solution

The fourth proportional to 4,198.12, 5,791.94 and 2,801.72 is: 3,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.12 : 5,791.94 = 2,801.72 : x
  2. Step 2: Convert to fraction form
    4,198.12/5,791.94 = 2,801.72/x
  3. Step 3: Cross multiply
    4,198.12x = 5,791.94 × 2,801.72
  4. Step 4: Simplify right side
    4,198.12x = 16,227,394.14
  5. Step 5: Solve for x
    x = 16,227,394.14/4,198.12
  6. Step 6: Final answer
    x = 3,865.40

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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.