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Finding the Fourth Proportional to 3,395.67, 5,087.51 and 2,974.50

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Solution

The fourth proportional to 3,395.67, 5,087.51 and 2,974.50 is: 4,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.67 : 5,087.51 = 2,974.50 : x
  2. Step 2: Convert to fraction form
    3,395.67/5,087.51 = 2,974.50/x
  3. Step 3: Cross multiply
    3,395.67x = 5,087.51 × 2,974.50
  4. Step 4: Simplify right side
    3,395.67x = 15,132,783.62
  5. Step 5: Solve for x
    x = 15,132,783.62/3,395.67
  6. Step 6: Final answer
    x = 4,456.49

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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.