Home / 6,081.45-8,392.40-3,286.95

Finding the Fourth Proportional to 6,081.45, 8,392.40 and 3,286.95

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Solution

The fourth proportional to 6,081.45, 8,392.40 and 3,286.95 is: 4,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.45 : 8,392.40 = 3,286.95 : x
  2. Step 2: Convert to fraction form
    6,081.45/8,392.40 = 3,286.95/x
  3. Step 3: Cross multiply
    6,081.45x = 8,392.40 × 3,286.95
  4. Step 4: Simplify right side
    6,081.45x = 27,585,399.18
  5. Step 5: Solve for x
    x = 27,585,399.18/6,081.45
  6. Step 6: Final answer
    x = 4,535.99

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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.