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Finding the Fourth Proportional to 3,794.95, 5,692.70 and 1,329.49

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Solution

The fourth proportional to 3,794.95, 5,692.70 and 1,329.49 is: 1,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.95 : 5,692.70 = 1,329.49 : x
  2. Step 2: Convert to fraction form
    3,794.95/5,692.70 = 1,329.49/x
  3. Step 3: Cross multiply
    3,794.95x = 5,692.70 × 1,329.49
  4. Step 4: Simplify right side
    3,794.95x = 7,568,387.72
  5. Step 5: Solve for x
    x = 7,568,387.72/3,794.95
  6. Step 6: Final answer
    x = 1,994.33

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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.