Home / 3,131.58-4,689.18-2,032.62

Finding the Fourth Proportional to 3,131.58, 4,689.18 and 2,032.62

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Solution

The fourth proportional to 3,131.58, 4,689.18 and 2,032.62 is: 3,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.58 : 4,689.18 = 2,032.62 : x
  2. Step 2: Convert to fraction form
    3,131.58/4,689.18 = 2,032.62/x
  3. Step 3: Cross multiply
    3,131.58x = 4,689.18 × 2,032.62
  4. Step 4: Simplify right side
    3,131.58x = 9,531,321.05
  5. Step 5: Solve for x
    x = 9,531,321.05/3,131.58
  6. Step 6: Final answer
    x = 3,043.61

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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.