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Finding the Fourth Proportional to 5,857.98, 8,789.01 and 3,394.95

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Solution

The fourth proportional to 5,857.98, 8,789.01 and 3,394.95 is: 5,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,857.98 : 8,789.01 = 3,394.95 : x
  2. Step 2: Convert to fraction form
    5,857.98/8,789.01 = 3,394.95/x
  3. Step 3: Cross multiply
    5,857.98x = 8,789.01 × 3,394.95
  4. Step 4: Simplify right side
    5,857.98x = 29,838,249.50
  5. Step 5: Solve for x
    x = 29,838,249.50/5,857.98
  6. Step 6: Final answer
    x = 5,093.61

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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.