Home / 3,694.38-5,542.40-1,230.99

Finding the Fourth Proportional to 3,694.38, 5,542.40 and 1,230.99

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Solution

The fourth proportional to 3,694.38, 5,542.40 and 1,230.99 is: 1,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.38 : 5,542.40 = 1,230.99 : x
  2. Step 2: Convert to fraction form
    3,694.38/5,542.40 = 1,230.99/x
  3. Step 3: Cross multiply
    3,694.38x = 5,542.40 × 1,230.99
  4. Step 4: Simplify right side
    3,694.38x = 6,822,638.98
  5. Step 5: Solve for x
    x = 6,822,638.98/3,694.38
  6. Step 6: Final answer
    x = 1,846.76

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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.