Home / 3,986.01-5,979.02-2,604.56

Finding the Fourth Proportional to 3,986.01, 5,979.02 and 2,604.56

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Solution

The fourth proportional to 3,986.01, 5,979.02 and 2,604.56 is: 3,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.01 : 5,979.02 = 2,604.56 : x
  2. Step 2: Convert to fraction form
    3,986.01/5,979.02 = 2,604.56/x
  3. Step 3: Cross multiply
    3,986.01x = 5,979.02 × 2,604.56
  4. Step 4: Simplify right side
    3,986.01x = 15,572,673.41
  5. Step 5: Solve for x
    x = 15,572,673.41/3,986.01
  6. Step 6: Final answer
    x = 3,906.83

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Similar ratio
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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.