Home / 5,231.58-7,219.32-2,993.82

Finding the Fourth Proportional to 5,231.58, 7,219.32 and 2,993.82

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Solution

The fourth proportional to 5,231.58, 7,219.32 and 2,993.82 is: 4,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.58 : 7,219.32 = 2,993.82 : x
  2. Step 2: Convert to fraction form
    5,231.58/7,219.32 = 2,993.82/x
  3. Step 3: Cross multiply
    5,231.58x = 7,219.32 × 2,993.82
  4. Step 4: Simplify right side
    5,231.58x = 21,613,344.60
  5. Step 5: Solve for x
    x = 21,613,344.60/5,231.58
  6. Step 6: Final answer
    x = 4,131.32

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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.