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Finding the Fourth Proportional to 3,674.92, 5,514.34 and 1,727.14

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Solution

The fourth proportional to 3,674.92, 5,514.34 and 1,727.14 is: 2,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.92 : 5,514.34 = 1,727.14 : x
  2. Step 2: Convert to fraction form
    3,674.92/5,514.34 = 1,727.14/x
  3. Step 3: Cross multiply
    3,674.92x = 5,514.34 × 1,727.14
  4. Step 4: Simplify right side
    3,674.92x = 9,524,037.19
  5. Step 5: Solve for x
    x = 9,524,037.19/3,674.92
  6. Step 6: Final answer
    x = 2,591.63

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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.