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Finding the Fourth Proportional to 5,753.16, 7,945.62 and 3,658.56

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Solution

The fourth proportional to 5,753.16, 7,945.62 and 3,658.56 is: 5,052.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.16 : 7,945.62 = 3,658.56 : x
  2. Step 2: Convert to fraction form
    5,753.16/7,945.62 = 3,658.56/x
  3. Step 3: Cross multiply
    5,753.16x = 7,945.62 × 3,658.56
  4. Step 4: Simplify right side
    5,753.16x = 29,069,527.51
  5. Step 5: Solve for x
    x = 29,069,527.51/5,753.16
  6. Step 6: Final answer
    x = 5,052.79

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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.