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Finding the Fourth Proportional to 4,879.84, 6,734.92 and 3,698.96

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Solution

The fourth proportional to 4,879.84, 6,734.92 and 3,698.96 is: 5,105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.84 : 6,734.92 = 3,698.96 : x
  2. Step 2: Convert to fraction form
    4,879.84/6,734.92 = 3,698.96/x
  3. Step 3: Cross multiply
    4,879.84x = 6,734.92 × 3,698.96
  4. Step 4: Simplify right side
    4,879.84x = 24,912,199.68
  5. Step 5: Solve for x
    x = 24,912,199.68/4,879.84
  6. Step 6: Final answer
    x = 5,105.13

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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.