Home / 3,609.70-4,976.74-2,960.54

Finding the Fourth Proportional to 3,609.70, 4,976.74 and 2,960.54

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Solution

The fourth proportional to 3,609.70, 4,976.74 and 2,960.54 is: 4,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.70 : 4,976.74 = 2,960.54 : x
  2. Step 2: Convert to fraction form
    3,609.70/4,976.74 = 2,960.54/x
  3. Step 3: Cross multiply
    3,609.70x = 4,976.74 × 2,960.54
  4. Step 4: Simplify right side
    3,609.70x = 14,733,805.55
  5. Step 5: Solve for x
    x = 14,733,805.55/3,609.70
  6. Step 6: Final answer
    x = 4,081.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.