Home / 3,179.98-4,388.22-1,763.56

Finding the Fourth Proportional to 3,179.98, 4,388.22 and 1,763.56

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Solution

The fourth proportional to 3,179.98, 4,388.22 and 1,763.56 is: 2,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.98 : 4,388.22 = 1,763.56 : x
  2. Step 2: Convert to fraction form
    3,179.98/4,388.22 = 1,763.56/x
  3. Step 3: Cross multiply
    3,179.98x = 4,388.22 × 1,763.56
  4. Step 4: Simplify right side
    3,179.98x = 7,738,891.06
  5. Step 5: Solve for x
    x = 7,738,891.06/3,179.98
  6. Step 6: Final answer
    x = 2,433.63

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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.