Home / 3,891.08-5,839.02-2,043.68

Finding the Fourth Proportional to 3,891.08, 5,839.02 and 2,043.68

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Solution

The fourth proportional to 3,891.08, 5,839.02 and 2,043.68 is: 3,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.08 : 5,839.02 = 2,043.68 : x
  2. Step 2: Convert to fraction form
    3,891.08/5,839.02 = 2,043.68/x
  3. Step 3: Cross multiply
    3,891.08x = 5,839.02 × 2,043.68
  4. Step 4: Simplify right side
    3,891.08x = 11,933,088.39
  5. Step 5: Solve for x
    x = 11,933,088.39/3,891.08
  6. Step 6: Final answer
    x = 3,066.78

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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.