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Finding the Fourth Proportional to 2,701.91, 3,728.91 and 1,694.33

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Solution

The fourth proportional to 2,701.91, 3,728.91 and 1,694.33 is: 2,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.91 : 3,728.91 = 1,694.33 : x
  2. Step 2: Convert to fraction form
    2,701.91/3,728.91 = 1,694.33/x
  3. Step 3: Cross multiply
    2,701.91x = 3,728.91 × 1,694.33
  4. Step 4: Simplify right side
    2,701.91x = 6,318,004.08
  5. Step 5: Solve for x
    x = 6,318,004.08/2,701.91
  6. Step 6: Final answer
    x = 2,338.35

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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.