Home / 2,279.22-3,158.79-2,244.66

Finding the Fourth Proportional to 2,279.22, 3,158.79 and 2,244.66

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Solution

The fourth proportional to 2,279.22, 3,158.79 and 2,244.66 is: 3,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.22 : 3,158.79 = 2,244.66 : x
  2. Step 2: Convert to fraction form
    2,279.22/3,158.79 = 2,244.66/x
  3. Step 3: Cross multiply
    2,279.22x = 3,158.79 × 2,244.66
  4. Step 4: Simplify right side
    2,279.22x = 7,090,409.56
  5. Step 5: Solve for x
    x = 7,090,409.56/2,279.22
  6. Step 6: Final answer
    x = 3,110.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.