Home / 3,821.99-5,738.24-1,974.38

Finding the Fourth Proportional to 3,821.99, 5,738.24 and 1,974.38

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Solution

The fourth proportional to 3,821.99, 5,738.24 and 1,974.38 is: 2,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.99 : 5,738.24 = 1,974.38 : x
  2. Step 2: Convert to fraction form
    3,821.99/5,738.24 = 1,974.38/x
  3. Step 3: Cross multiply
    3,821.99x = 5,738.24 × 1,974.38
  4. Step 4: Simplify right side
    3,821.99x = 11,329,442.54
  5. Step 5: Solve for x
    x = 11,329,442.54/3,821.99
  6. Step 6: Final answer
    x = 2,964.28

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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.