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Finding the Fourth Proportional to 3,753.98, 5,629.04 and 2,194.32

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Solution

The fourth proportional to 3,753.98, 5,629.04 and 2,194.32 is: 3,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.98 : 5,629.04 = 2,194.32 : x
  2. Step 2: Convert to fraction form
    3,753.98/5,629.04 = 2,194.32/x
  3. Step 3: Cross multiply
    3,753.98x = 5,629.04 × 2,194.32
  4. Step 4: Simplify right side
    3,753.98x = 12,351,904.08
  5. Step 5: Solve for x
    x = 12,351,904.08/3,753.98
  6. Step 6: Final answer
    x = 3,290.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.