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Finding the Fourth Proportional to 3,103.92, 4,679.16 and 2,897.73

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Solution

The fourth proportional to 3,103.92, 4,679.16 and 2,897.73 is: 4,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.92 : 4,679.16 = 2,897.73 : x
  2. Step 2: Convert to fraction form
    3,103.92/4,679.16 = 2,897.73/x
  3. Step 3: Cross multiply
    3,103.92x = 4,679.16 × 2,897.73
  4. Step 4: Simplify right side
    3,103.92x = 13,558,942.31
  5. Step 5: Solve for x
    x = 13,558,942.31/3,103.92
  6. Step 6: Final answer
    x = 4,368.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.