Home / 3,201.75-4,415.99-2,208.69

Finding the Fourth Proportional to 3,201.75, 4,415.99 and 2,208.69

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Solution

The fourth proportional to 3,201.75, 4,415.99 and 2,208.69 is: 3,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.75 : 4,415.99 = 2,208.69 : x
  2. Step 2: Convert to fraction form
    3,201.75/4,415.99 = 2,208.69/x
  3. Step 3: Cross multiply
    3,201.75x = 4,415.99 × 2,208.69
  4. Step 4: Simplify right side
    3,201.75x = 9,753,541.91
  5. Step 5: Solve for x
    x = 9,753,541.91/3,201.75
  6. Step 6: Final answer
    x = 3,046.32

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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.