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Finding the Fourth Proportional to 3,299.94, 4,554.23 and 1,974.38

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Solution

The fourth proportional to 3,299.94, 4,554.23 and 1,974.38 is: 2,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.94 : 4,554.23 = 1,974.38 : x
  2. Step 2: Convert to fraction form
    3,299.94/4,554.23 = 1,974.38/x
  3. Step 3: Cross multiply
    3,299.94x = 4,554.23 × 1,974.38
  4. Step 4: Simplify right side
    3,299.94x = 8,991,747.98
  5. Step 5: Solve for x
    x = 8,991,747.98/3,299.94
  6. Step 6: Final answer
    x = 2,724.82

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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.