Home / 4,115.24-5,679.92-2,622.82

Finding the Fourth Proportional to 4,115.24, 5,679.92 and 2,622.82

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Solution

The fourth proportional to 4,115.24, 5,679.92 and 2,622.82 is: 3,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.24 : 5,679.92 = 2,622.82 : x
  2. Step 2: Convert to fraction form
    4,115.24/5,679.92 = 2,622.82/x
  3. Step 3: Cross multiply
    4,115.24x = 5,679.92 × 2,622.82
  4. Step 4: Simplify right side
    4,115.24x = 14,897,407.77
  5. Step 5: Solve for x
    x = 14,897,407.77/4,115.24
  6. Step 6: Final answer
    x = 3,620.06

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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.