Home / 3,124.82-4,682.52-2,081.14

Finding the Fourth Proportional to 3,124.82, 4,682.52 and 2,081.14

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Solution

The fourth proportional to 3,124.82, 4,682.52 and 2,081.14 is: 3,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.82 : 4,682.52 = 2,081.14 : x
  2. Step 2: Convert to fraction form
    3,124.82/4,682.52 = 2,081.14/x
  3. Step 3: Cross multiply
    3,124.82x = 4,682.52 × 2,081.14
  4. Step 4: Simplify right side
    3,124.82x = 9,744,967.97
  5. Step 5: Solve for x
    x = 9,744,967.97/3,124.82
  6. Step 6: Final answer
    x = 3,118.57

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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.