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Finding the Fourth Proportional to 5,744.33, 7,919.90 and 3,751.73

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Solution

The fourth proportional to 5,744.33, 7,919.90 and 3,751.73 is: 5,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.33 : 7,919.90 = 3,751.73 : x
  2. Step 2: Convert to fraction form
    5,744.33/7,919.90 = 3,751.73/x
  3. Step 3: Cross multiply
    5,744.33x = 7,919.90 × 3,751.73
  4. Step 4: Simplify right side
    5,744.33x = 29,713,326.43
  5. Step 5: Solve for x
    x = 29,713,326.43/5,744.33
  6. Step 6: Final answer
    x = 5,172.64

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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.