Home / 4,241.80-5,855.94-3,198.28

Finding the Fourth Proportional to 4,241.80, 5,855.94 and 3,198.28

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Solution

The fourth proportional to 4,241.80, 5,855.94 and 3,198.28 is: 4,415.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,241.80 : 5,855.94 = 3,198.28 : x
  2. Step 2: Convert to fraction form
    4,241.80/5,855.94 = 3,198.28/x
  3. Step 3: Cross multiply
    4,241.80x = 5,855.94 × 3,198.28
  4. Step 4: Simplify right side
    4,241.80x = 18,728,935.78
  5. Step 5: Solve for x
    x = 18,728,935.78/4,241.80
  6. Step 6: Final answer
    x = 4,415.33

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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.