Home / 6,976.43-9,627.53-3,789.75

Finding the Fourth Proportional to 6,976.43, 9,627.53 and 3,789.75

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Solution

The fourth proportional to 6,976.43, 9,627.53 and 3,789.75 is: 5,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.43 : 9,627.53 = 3,789.75 : x
  2. Step 2: Convert to fraction form
    6,976.43/9,627.53 = 3,789.75/x
  3. Step 3: Cross multiply
    6,976.43x = 9,627.53 × 3,789.75
  4. Step 4: Simplify right side
    6,976.43x = 36,485,941.29
  5. Step 5: Solve for x
    x = 36,485,941.29/6,976.43
  6. Step 6: Final answer
    x = 5,229.89

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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.