Home / 2,863.39-3,951.41-1,668.59

Finding the Fourth Proportional to 2,863.39, 3,951.41 and 1,668.59

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Solution

The fourth proportional to 2,863.39, 3,951.41 and 1,668.59 is: 2,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.39 : 3,951.41 = 1,668.59 : x
  2. Step 2: Convert to fraction form
    2,863.39/3,951.41 = 1,668.59/x
  3. Step 3: Cross multiply
    2,863.39x = 3,951.41 × 1,668.59
  4. Step 4: Simplify right side
    2,863.39x = 6,593,283.21
  5. Step 5: Solve for x
    x = 6,593,283.21/2,863.39
  6. Step 6: Final answer
    x = 2,302.61

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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.