Home / 2,431.22-3,647.43-2,059.43

Finding the Fourth Proportional to 2,431.22, 3,647.43 and 2,059.43

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Solution

The fourth proportional to 2,431.22, 3,647.43 and 2,059.43 is: 3,089.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.22 : 3,647.43 = 2,059.43 : x
  2. Step 2: Convert to fraction form
    2,431.22/3,647.43 = 2,059.43/x
  3. Step 3: Cross multiply
    2,431.22x = 3,647.43 × 2,059.43
  4. Step 4: Simplify right side
    2,431.22x = 7,511,608.53
  5. Step 5: Solve for x
    x = 7,511,608.53/2,431.22
  6. Step 6: Final answer
    x = 3,089.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.