Home / 4,189.38-5,781.34-2,326.38

Finding the Fourth Proportional to 4,189.38, 5,781.34 and 2,326.38

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Solution

The fourth proportional to 4,189.38, 5,781.34 and 2,326.38 is: 3,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.38 : 5,781.34 = 2,326.38 : x
  2. Step 2: Convert to fraction form
    4,189.38/5,781.34 = 2,326.38/x
  3. Step 3: Cross multiply
    4,189.38x = 5,781.34 × 2,326.38
  4. Step 4: Simplify right side
    4,189.38x = 13,449,593.75
  5. Step 5: Solve for x
    x = 13,449,593.75/4,189.38
  6. Step 6: Final answer
    x = 3,210.40

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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.