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Finding the Fourth Proportional to 3,393.22, 5,087.94 and 1,170.94

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Solution

The fourth proportional to 3,393.22, 5,087.94 and 1,170.94 is: 1,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.22 : 5,087.94 = 1,170.94 : x
  2. Step 2: Convert to fraction form
    3,393.22/5,087.94 = 1,170.94/x
  3. Step 3: Cross multiply
    3,393.22x = 5,087.94 × 1,170.94
  4. Step 4: Simplify right side
    3,393.22x = 5,957,672.46
  5. Step 5: Solve for x
    x = 5,957,672.46/3,393.22
  6. Step 6: Final answer
    x = 1,755.76

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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.