Home / 3,261.92-4,497.66-2,378.12

Finding the Fourth Proportional to 3,261.92, 4,497.66 and 2,378.12

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Solution

The fourth proportional to 3,261.92, 4,497.66 and 2,378.12 is: 3,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.92 : 4,497.66 = 2,378.12 : x
  2. Step 2: Convert to fraction form
    3,261.92/4,497.66 = 2,378.12/x
  3. Step 3: Cross multiply
    3,261.92x = 4,497.66 × 2,378.12
  4. Step 4: Simplify right side
    3,261.92x = 10,695,975.20
  5. Step 5: Solve for x
    x = 10,695,975.20/3,261.92
  6. Step 6: Final answer
    x = 3,279.04

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Double scale
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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.