Home / 3,241.38-4,464.45-2,798.49

Finding the Fourth Proportional to 3,241.38, 4,464.45 and 2,798.49

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Solution

The fourth proportional to 3,241.38, 4,464.45 and 2,798.49 is: 3,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.38 : 4,464.45 = 2,798.49 : x
  2. Step 2: Convert to fraction form
    3,241.38/4,464.45 = 2,798.49/x
  3. Step 3: Cross multiply
    3,241.38x = 4,464.45 × 2,798.49
  4. Step 4: Simplify right side
    3,241.38x = 12,493,718.68
  5. Step 5: Solve for x
    x = 12,493,718.68/3,241.38
  6. Step 6: Final answer
    x = 3,854.44

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Half scale
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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.