Home / 2,736.93-4,105.23-1,640.55

Finding the Fourth Proportional to 2,736.93, 4,105.23 and 1,640.55

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Solution

The fourth proportional to 2,736.93, 4,105.23 and 1,640.55 is: 2,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.93 : 4,105.23 = 1,640.55 : x
  2. Step 2: Convert to fraction form
    2,736.93/4,105.23 = 1,640.55/x
  3. Step 3: Cross multiply
    2,736.93x = 4,105.23 × 1,640.55
  4. Step 4: Simplify right side
    2,736.93x = 6,734,835.08
  5. Step 5: Solve for x
    x = 6,734,835.08/2,736.93
  6. Step 6: Final answer
    x = 2,460.73

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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.