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Finding the Fourth Proportional to 5,798.05, 7,998.82 and 3,910.85

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Solution

The fourth proportional to 5,798.05, 7,998.82 and 3,910.85 is: 5,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798.05 : 7,998.82 = 3,910.85 : x
  2. Step 2: Convert to fraction form
    5,798.05/7,998.82 = 3,910.85/x
  3. Step 3: Cross multiply
    5,798.05x = 7,998.82 × 3,910.85
  4. Step 4: Simplify right side
    5,798.05x = 31,282,185.20
  5. Step 5: Solve for x
    x = 31,282,185.20/5,798.05
  6. Step 6: Final answer
    x = 5,395.29

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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.