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Finding the Fourth Proportional to 4,961.05, 6,847.13 and 3,708.38

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Solution

The fourth proportional to 4,961.05, 6,847.13 and 3,708.38 is: 5,118.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.05 : 6,847.13 = 3,708.38 : x
  2. Step 2: Convert to fraction form
    4,961.05/6,847.13 = 3,708.38/x
  3. Step 3: Cross multiply
    4,961.05x = 6,847.13 × 3,708.38
  4. Step 4: Simplify right side
    4,961.05x = 25,391,786.34
  5. Step 5: Solve for x
    x = 25,391,786.34/4,961.05
  6. Step 6: Final answer
    x = 5,118.23

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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.