Home / 3,997.44-5,516.52-2,318.92

Finding the Fourth Proportional to 3,997.44, 5,516.52 and 2,318.92

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Solution

The fourth proportional to 3,997.44, 5,516.52 and 2,318.92 is: 3,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.44 : 5,516.52 = 2,318.92 : x
  2. Step 2: Convert to fraction form
    3,997.44/5,516.52 = 2,318.92/x
  3. Step 3: Cross multiply
    3,997.44x = 5,516.52 × 2,318.92
  4. Step 4: Simplify right side
    3,997.44x = 12,792,346.07
  5. Step 5: Solve for x
    x = 12,792,346.07/3,997.44
  6. Step 6: Final answer
    x = 3,200.13

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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.