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Finding the Fourth Proportional to 5,757.11, 7,945.27 and 3,239.07

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Solution

The fourth proportional to 5,757.11, 7,945.27 and 3,239.07 is: 4,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.11 : 7,945.27 = 3,239.07 : x
  2. Step 2: Convert to fraction form
    5,757.11/7,945.27 = 3,239.07/x
  3. Step 3: Cross multiply
    5,757.11x = 7,945.27 × 3,239.07
  4. Step 4: Simplify right side
    5,757.11x = 25,735,277.60
  5. Step 5: Solve for x
    x = 25,735,277.60/5,757.11
  6. Step 6: Final answer
    x = 4,470.17

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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.