Home / 6,964.96-9,612.26-3,821.75

Finding the Fourth Proportional to 6,964.96, 9,612.26 and 3,821.75

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Solution

The fourth proportional to 6,964.96, 9,612.26 and 3,821.75 is: 5,274.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.96 : 9,612.26 = 3,821.75 : x
  2. Step 2: Convert to fraction form
    6,964.96/9,612.26 = 3,821.75/x
  3. Step 3: Cross multiply
    6,964.96x = 9,612.26 × 3,821.75
  4. Step 4: Simplify right side
    6,964.96x = 36,735,659.58
  5. Step 5: Solve for x
    x = 36,735,659.58/6,964.96
  6. Step 6: Final answer
    x = 5,274.36

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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.