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Finding the Fourth Proportional to 3,598.92, 5,402.43 and 2,786.99

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Solution

The fourth proportional to 3,598.92, 5,402.43 and 2,786.99 is: 4,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.92 : 5,402.43 = 2,786.99 : x
  2. Step 2: Convert to fraction form
    3,598.92/5,402.43 = 2,786.99/x
  3. Step 3: Cross multiply
    3,598.92x = 5,402.43 × 2,786.99
  4. Step 4: Simplify right side
    3,598.92x = 15,056,491.37
  5. Step 5: Solve for x
    x = 15,056,491.37/3,598.92
  6. Step 6: Final answer
    x = 4,183.61

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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.