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Finding the Fourth Proportional to 5,248.92, 7,873.80 and 1,738.79

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Solution

The fourth proportional to 5,248.92, 7,873.80 and 1,738.79 is: 2,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.92 : 7,873.80 = 1,738.79 : x
  2. Step 2: Convert to fraction form
    5,248.92/7,873.80 = 1,738.79/x
  3. Step 3: Cross multiply
    5,248.92x = 7,873.80 × 1,738.79
  4. Step 4: Simplify right side
    5,248.92x = 13,690,845.33
  5. Step 5: Solve for x
    x = 13,690,845.33/5,248.92
  6. Step 6: Final answer
    x = 2,608.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.