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Finding the Fourth Proportional to 5,740.96, 7,922.36 and 3,351.46

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Solution

The fourth proportional to 5,740.96, 7,922.36 and 3,351.46 is: 4,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.96 : 7,922.36 = 3,351.46 : x
  2. Step 2: Convert to fraction form
    5,740.96/7,922.36 = 3,351.46/x
  3. Step 3: Cross multiply
    5,740.96x = 7,922.36 × 3,351.46
  4. Step 4: Simplify right side
    5,740.96x = 26,551,472.65
  5. Step 5: Solve for x
    x = 26,551,472.65/5,740.96
  6. Step 6: Final answer
    x = 4,624.92

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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.