Home / 6,976.45-9,627.67-3,789.74

Finding the Fourth Proportional to 6,976.45, 9,627.67 and 3,789.74

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Solution

The fourth proportional to 6,976.45, 9,627.67 and 3,789.74 is: 5,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.45 : 9,627.67 = 3,789.74 : x
  2. Step 2: Convert to fraction form
    6,976.45/9,627.67 = 3,789.74/x
  3. Step 3: Cross multiply
    6,976.45x = 9,627.67 × 3,789.74
  4. Step 4: Simplify right side
    6,976.45x = 36,486,370.71
  5. Step 5: Solve for x
    x = 36,486,370.71/6,976.45
  6. Step 6: Final answer
    x = 5,229.94

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1.5x scale

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.