Home / 3,383.43-4,668.82-1,891.14

Finding the Fourth Proportional to 3,383.43, 4,668.82 and 1,891.14

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Solution

The fourth proportional to 3,383.43, 4,668.82 and 1,891.14 is: 2,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.43 : 4,668.82 = 1,891.14 : x
  2. Step 2: Convert to fraction form
    3,383.43/4,668.82 = 1,891.14/x
  3. Step 3: Cross multiply
    3,383.43x = 4,668.82 × 1,891.14
  4. Step 4: Simplify right side
    3,383.43x = 8,829,382.80
  5. Step 5: Solve for x
    x = 8,829,382.80/3,383.43
  6. Step 6: Final answer
    x = 2,609.60

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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.