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Finding the Fourth Proportional to 2,951.91, 4,073.48 and 1,692.90

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Solution

The fourth proportional to 2,951.91, 4,073.48 and 1,692.90 is: 2,336.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.91 : 4,073.48 = 1,692.90 : x
  2. Step 2: Convert to fraction form
    2,951.91/4,073.48 = 1,692.90/x
  3. Step 3: Cross multiply
    2,951.91x = 4,073.48 × 1,692.90
  4. Step 4: Simplify right side
    2,951.91x = 6,895,994.29
  5. Step 5: Solve for x
    x = 6,895,994.29/2,951.91
  6. Step 6: Final answer
    x = 2,336.11

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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.