Home / 3,996.36-5,516.14-2,318.14

Finding the Fourth Proportional to 3,996.36, 5,516.14 and 2,318.14

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Solution

The fourth proportional to 3,996.36, 5,516.14 and 2,318.14 is: 3,199.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.36 : 5,516.14 = 2,318.14 : x
  2. Step 2: Convert to fraction form
    3,996.36/5,516.14 = 2,318.14/x
  3. Step 3: Cross multiply
    3,996.36x = 5,516.14 × 2,318.14
  4. Step 4: Simplify right side
    3,996.36x = 12,787,202.48
  5. Step 5: Solve for x
    x = 12,787,202.48/3,996.36
  6. Step 6: Final answer
    x = 3,199.71

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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.