Home / 6,081.36-8,387.02-3,956.12

Finding the Fourth Proportional to 6,081.36, 8,387.02 and 3,956.12

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Solution

The fourth proportional to 6,081.36, 8,387.02 and 3,956.12 is: 5,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.36 : 8,387.02 = 3,956.12 : x
  2. Step 2: Convert to fraction form
    6,081.36/8,387.02 = 3,956.12/x
  3. Step 3: Cross multiply
    6,081.36x = 8,387.02 × 3,956.12
  4. Step 4: Simplify right side
    6,081.36x = 33,180,057.56
  5. Step 5: Solve for x
    x = 33,180,057.56/6,081.36
  6. Step 6: Final answer
    x = 5,456.03

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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.