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Finding the Fourth Proportional to 4,887.84, 6,745.22 and 2,791.97

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Solution

The fourth proportional to 4,887.84, 6,745.22 and 2,791.97 is: 3,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.84 : 6,745.22 = 2,791.97 : x
  2. Step 2: Convert to fraction form
    4,887.84/6,745.22 = 2,791.97/x
  3. Step 3: Cross multiply
    4,887.84x = 6,745.22 × 2,791.97
  4. Step 4: Simplify right side
    4,887.84x = 18,832,455.67
  5. Step 5: Solve for x
    x = 18,832,455.67/4,887.84
  6. Step 6: Final answer
    x = 3,852.92

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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.