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Finding the Fourth Proportional to 3,840.94, 5,761.54 and 2,196.73

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Solution

The fourth proportional to 3,840.94, 5,761.54 and 2,196.73 is: 3,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.94 : 5,761.54 = 2,196.73 : x
  2. Step 2: Convert to fraction form
    3,840.94/5,761.54 = 2,196.73/x
  3. Step 3: Cross multiply
    3,840.94x = 5,761.54 × 2,196.73
  4. Step 4: Simplify right side
    3,840.94x = 12,656,536.11
  5. Step 5: Solve for x
    x = 12,656,536.11/3,840.94
  6. Step 6: Final answer
    x = 3,295.17

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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.