Home / 5,742.66-7,924.77-3,224.79

Finding the Fourth Proportional to 5,742.66, 7,924.77 and 3,224.79

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Solution

The fourth proportional to 5,742.66, 7,924.77 and 3,224.79 is: 4,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.66 : 7,924.77 = 3,224.79 : x
  2. Step 2: Convert to fraction form
    5,742.66/7,924.77 = 3,224.79/x
  3. Step 3: Cross multiply
    5,742.66x = 7,924.77 × 3,224.79
  4. Step 4: Simplify right side
    5,742.66x = 25,555,719.05
  5. Step 5: Solve for x
    x = 25,555,719.05/5,742.66
  6. Step 6: Final answer
    x = 4,450.15

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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.