Home / 2,682.59-4,025.03-1,122.95

Finding the Fourth Proportional to 2,682.59, 4,025.03 and 1,122.95

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Solution

The fourth proportional to 2,682.59, 4,025.03 and 1,122.95 is: 1,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.59 : 4,025.03 = 1,122.95 : x
  2. Step 2: Convert to fraction form
    2,682.59/4,025.03 = 1,122.95/x
  3. Step 3: Cross multiply
    2,682.59x = 4,025.03 × 1,122.95
  4. Step 4: Simplify right side
    2,682.59x = 4,519,911.89
  5. Step 5: Solve for x
    x = 4,519,911.89/2,682.59
  6. Step 6: Final answer
    x = 1,684.91

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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.