Home / 3,212.91-4,433.75-1,796.62

Finding the Fourth Proportional to 3,212.91, 4,433.75 and 1,796.62

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Solution

The fourth proportional to 3,212.91, 4,433.75 and 1,796.62 is: 2,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.91 : 4,433.75 = 1,796.62 : x
  2. Step 2: Convert to fraction form
    3,212.91/4,433.75 = 1,796.62/x
  3. Step 3: Cross multiply
    3,212.91x = 4,433.75 × 1,796.62
  4. Step 4: Simplify right side
    3,212.91x = 7,965,763.93
  5. Step 5: Solve for x
    x = 7,965,763.93/3,212.91
  6. Step 6: Final answer
    x = 2,479.30

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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.