Home / 4,189.75-5,781.87-2,326.75

Finding the Fourth Proportional to 4,189.75, 5,781.87 and 2,326.75

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Solution

The fourth proportional to 4,189.75, 5,781.87 and 2,326.75 is: 3,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.75 : 5,781.87 = 2,326.75 : x
  2. Step 2: Convert to fraction form
    4,189.75/5,781.87 = 2,326.75/x
  3. Step 3: Cross multiply
    4,189.75x = 5,781.87 × 2,326.75
  4. Step 4: Simplify right side
    4,189.75x = 13,452,966.02
  5. Step 5: Solve for x
    x = 13,452,966.02/4,189.75
  6. Step 6: Final answer
    x = 3,210.92

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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.