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Finding the Fourth Proportional to 2,951.85, 4,073.49 and 1,625.68

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Solution

The fourth proportional to 2,951.85, 4,073.49 and 1,625.68 is: 2,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.85 : 4,073.49 = 1,625.68 : x
  2. Step 2: Convert to fraction form
    2,951.85/4,073.49 = 1,625.68/x
  3. Step 3: Cross multiply
    2,951.85x = 4,073.49 × 1,625.68
  4. Step 4: Simplify right side
    2,951.85x = 6,622,191.22
  5. Step 5: Solve for x
    x = 6,622,191.22/2,951.85
  6. Step 6: Final answer
    x = 2,243.40

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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.