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Finding the Fourth Proportional to 5,757.51, 7,945.62 and 3,399.66

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Solution

The fourth proportional to 5,757.51, 7,945.62 and 3,399.66 is: 4,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.51 : 7,945.62 = 3,399.66 : x
  2. Step 2: Convert to fraction form
    5,757.51/7,945.62 = 3,399.66/x
  3. Step 3: Cross multiply
    5,757.51x = 7,945.62 × 3,399.66
  4. Step 4: Simplify right side
    5,757.51x = 27,012,406.49
  5. Step 5: Solve for x
    x = 27,012,406.49/5,757.51
  6. Step 6: Final answer
    x = 4,691.68

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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.