Home / 2,240.09-3,359.42-738.77

Finding the Fourth Proportional to 2,240.09, 3,359.42 and 738.77

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Solution

The fourth proportional to 2,240.09, 3,359.42 and 738.77 is: 1,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.09 : 3,359.42 = 738.77 : x
  2. Step 2: Convert to fraction form
    2,240.09/3,359.42 = 738.77/x
  3. Step 3: Cross multiply
    2,240.09x = 3,359.42 × 738.77
  4. Step 4: Simplify right side
    2,240.09x = 2,481,846.78
  5. Step 5: Solve for x
    x = 2,481,846.78/2,240.09
  6. Step 6: Final answer
    x = 1,107.92

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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.