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Finding the Fourth Proportional to 2,794.91, 3,855.98 and 1,660.29

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Solution

The fourth proportional to 2,794.91, 3,855.98 and 1,660.29 is: 2,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.91 : 3,855.98 = 1,660.29 : x
  2. Step 2: Convert to fraction form
    2,794.91/3,855.98 = 1,660.29/x
  3. Step 3: Cross multiply
    2,794.91x = 3,855.98 × 1,660.29
  4. Step 4: Simplify right side
    2,794.91x = 6,402,036.73
  5. Step 5: Solve for x
    x = 6,402,036.73/2,794.91
  6. Step 6: Final answer
    x = 2,290.61

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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.