Home / 2,193.24-3,290.13-960.56

Finding the Fourth Proportional to 2,193.24, 3,290.13 and 960.56

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Solution

The fourth proportional to 2,193.24, 3,290.13 and 960.56 is: 1,440.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.24 : 3,290.13 = 960.56 : x
  2. Step 2: Convert to fraction form
    2,193.24/3,290.13 = 960.56/x
  3. Step 3: Cross multiply
    2,193.24x = 3,290.13 × 960.56
  4. Step 4: Simplify right side
    2,193.24x = 3,160,367.27
  5. Step 5: Solve for x
    x = 3,160,367.27/2,193.24
  6. Step 6: Final answer
    x = 1,440.96

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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.