Home / 3,694.57-5,098.50-2,122.96

Finding the Fourth Proportional to 3,694.57, 5,098.50 and 2,122.96

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Solution

The fourth proportional to 3,694.57, 5,098.50 and 2,122.96 is: 2,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.57 : 5,098.50 = 2,122.96 : x
  2. Step 2: Convert to fraction form
    3,694.57/5,098.50 = 2,122.96/x
  3. Step 3: Cross multiply
    3,694.57x = 5,098.50 × 2,122.96
  4. Step 4: Simplify right side
    3,694.57x = 10,823,911.56
  5. Step 5: Solve for x
    x = 10,823,911.56/3,694.57
  6. Step 6: Final answer
    x = 2,929.68

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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.