Home / 5,696.97-7,861.77-3,179.04

Finding the Fourth Proportional to 5,696.97, 7,861.77 and 3,179.04

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Solution

The fourth proportional to 5,696.97, 7,861.77 and 3,179.04 is: 4,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.97 : 7,861.77 = 3,179.04 : x
  2. Step 2: Convert to fraction form
    5,696.97/7,861.77 = 3,179.04/x
  3. Step 3: Cross multiply
    5,696.97x = 7,861.77 × 3,179.04
  4. Step 4: Simplify right side
    5,696.97x = 24,992,881.30
  5. Step 5: Solve for x
    x = 24,992,881.30/5,696.97
  6. Step 6: Final answer
    x = 4,387.05

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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.