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Finding the Fourth Proportional to 3,548.73, 4,895.48 and 2,131.73

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Solution

The fourth proportional to 3,548.73, 4,895.48 and 2,131.73 is: 2,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.73 : 4,895.48 = 2,131.73 : x
  2. Step 2: Convert to fraction form
    3,548.73/4,895.48 = 2,131.73/x
  3. Step 3: Cross multiply
    3,548.73x = 4,895.48 × 2,131.73
  4. Step 4: Simplify right side
    3,548.73x = 10,435,806.44
  5. Step 5: Solve for x
    x = 10,435,806.44/3,548.73
  6. Step 6: Final answer
    x = 2,940.72

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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.