Home / 5,241.78-7,233.71-2,883.94

Finding the Fourth Proportional to 5,241.78, 7,233.71 and 2,883.94

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Solution

The fourth proportional to 5,241.78, 7,233.71 and 2,883.94 is: 3,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.78 : 7,233.71 = 2,883.94 : x
  2. Step 2: Convert to fraction form
    5,241.78/7,233.71 = 2,883.94/x
  3. Step 3: Cross multiply
    5,241.78x = 7,233.71 × 2,883.94
  4. Step 4: Simplify right side
    5,241.78x = 20,861,553.11
  5. Step 5: Solve for x
    x = 20,861,553.11/5,241.78
  6. Step 6: Final answer
    x = 3,979.86

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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.