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Finding the Fourth Proportional to 3,994.73, 5,512.71 and 2,317.11

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Solution

The fourth proportional to 3,994.73, 5,512.71 and 2,317.11 is: 3,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.73 : 5,512.71 = 2,317.11 : x
  2. Step 2: Convert to fraction form
    3,994.73/5,512.71 = 2,317.11/x
  3. Step 3: Cross multiply
    3,994.73x = 5,512.71 × 2,317.11
  4. Step 4: Simplify right side
    3,994.73x = 12,773,516.32
  5. Step 5: Solve for x
    x = 12,773,516.32/3,994.73
  6. Step 6: Final answer
    x = 3,197.60

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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.