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Finding the Fourth Proportional to 5,793.22, 7,994.55 and 3,140.56

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Solution

The fourth proportional to 5,793.22, 7,994.55 and 3,140.56 is: 4,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.22 : 7,994.55 = 3,140.56 : x
  2. Step 2: Convert to fraction form
    5,793.22/7,994.55 = 3,140.56/x
  3. Step 3: Cross multiply
    5,793.22x = 7,994.55 × 3,140.56
  4. Step 4: Simplify right side
    5,793.22x = 25,107,363.95
  5. Step 5: Solve for x
    x = 25,107,363.95/5,793.22
  6. Step 6: Final answer
    x = 4,333.92

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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.