Home / 2,718.62-4,065.48-2,025.78

Finding the Fourth Proportional to 2,718.62, 4,065.48 and 2,025.78

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Solution

The fourth proportional to 2,718.62, 4,065.48 and 2,025.78 is: 3,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.62 : 4,065.48 = 2,025.78 : x
  2. Step 2: Convert to fraction form
    2,718.62/4,065.48 = 2,025.78/x
  3. Step 3: Cross multiply
    2,718.62x = 4,065.48 × 2,025.78
  4. Step 4: Simplify right side
    2,718.62x = 8,235,768.07
  5. Step 5: Solve for x
    x = 8,235,768.07/2,718.62
  6. Step 6: Final answer
    x = 3,029.39

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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.