Home / 2,682.70-4,024.06-2,617.90

Finding the Fourth Proportional to 2,682.70, 4,024.06 and 2,617.90

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Solution

The fourth proportional to 2,682.70, 4,024.06 and 2,617.90 is: 3,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.70 : 4,024.06 = 2,617.90 : x
  2. Step 2: Convert to fraction form
    2,682.70/4,024.06 = 2,617.90/x
  3. Step 3: Cross multiply
    2,682.70x = 4,024.06 × 2,617.90
  4. Step 4: Simplify right side
    2,682.70x = 10,534,570.07
  5. Step 5: Solve for x
    x = 10,534,570.07/2,682.70
  6. Step 6: Final answer
    x = 3,926.86

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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.