Home / 2,863.24-3,951.69-1,668.62

Finding the Fourth Proportional to 2,863.24, 3,951.69 and 1,668.62

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Solution

The fourth proportional to 2,863.24, 3,951.69 and 1,668.62 is: 2,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.24 : 3,951.69 = 1,668.62 : x
  2. Step 2: Convert to fraction form
    2,863.24/3,951.69 = 1,668.62/x
  3. Step 3: Cross multiply
    2,863.24x = 3,951.69 × 1,668.62
  4. Step 4: Simplify right side
    2,863.24x = 6,593,878.85
  5. Step 5: Solve for x
    x = 6,593,878.85/2,863.24
  6. Step 6: Final answer
    x = 2,302.95

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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.