Home / 3,819.01-5,727.61-2,791.12

Finding the Fourth Proportional to 3,819.01, 5,727.61 and 2,791.12

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Solution

The fourth proportional to 3,819.01, 5,727.61 and 2,791.12 is: 4,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.01 : 5,727.61 = 2,791.12 : x
  2. Step 2: Convert to fraction form
    3,819.01/5,727.61 = 2,791.12/x
  3. Step 3: Cross multiply
    3,819.01x = 5,727.61 × 2,791.12
  4. Step 4: Simplify right side
    3,819.01x = 15,986,432.87
  5. Step 5: Solve for x
    x = 15,986,432.87/3,819.01
  6. Step 6: Final answer
    x = 4,186.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.