Home / 6,081.42-9,139.22-3,616.68

Finding the Fourth Proportional to 6,081.42, 9,139.22 and 3,616.68

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Solution

The fourth proportional to 6,081.42, 9,139.22 and 3,616.68 is: 5,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.42 : 9,139.22 = 3,616.68 : x
  2. Step 2: Convert to fraction form
    6,081.42/9,139.22 = 3,616.68/x
  3. Step 3: Cross multiply
    6,081.42x = 9,139.22 × 3,616.68
  4. Step 4: Simplify right side
    6,081.42x = 33,053,634.19
  5. Step 5: Solve for x
    x = 33,053,634.19/6,081.42
  6. Step 6: Final answer
    x = 5,435.18

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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.