Home / 2,688.53-4,033.27-1,227.83

Finding the Fourth Proportional to 2,688.53, 4,033.27 and 1,227.83

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Solution

The fourth proportional to 2,688.53, 4,033.27 and 1,227.83 is: 1,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.53 : 4,033.27 = 1,227.83 : x
  2. Step 2: Convert to fraction form
    2,688.53/4,033.27 = 1,227.83/x
  3. Step 3: Cross multiply
    2,688.53x = 4,033.27 × 1,227.83
  4. Step 4: Simplify right side
    2,688.53x = 4,952,169.90
  5. Step 5: Solve for x
    x = 4,952,169.90/2,688.53
  6. Step 6: Final answer
    x = 1,841.96

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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.