Home / 2,401.24-3,313.68-1,338.96

Finding the Fourth Proportional to 2,401.24, 3,313.68 and 1,338.96

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Solution

The fourth proportional to 2,401.24, 3,313.68 and 1,338.96 is: 1,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.24 : 3,313.68 = 1,338.96 : x
  2. Step 2: Convert to fraction form
    2,401.24/3,313.68 = 1,338.96/x
  3. Step 3: Cross multiply
    2,401.24x = 3,313.68 × 1,338.96
  4. Step 4: Simplify right side
    2,401.24x = 4,436,884.97
  5. Step 5: Solve for x
    x = 4,436,884.97/2,401.24
  6. Step 6: Final answer
    x = 1,847.75

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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.