Home / 6,976.31-9,625.75-4,144.61

Finding the Fourth Proportional to 6,976.31, 9,625.75 and 4,144.61

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Solution

The fourth proportional to 6,976.31, 9,625.75 and 4,144.61 is: 5,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.31 : 9,625.75 = 4,144.61 : x
  2. Step 2: Convert to fraction form
    6,976.31/9,625.75 = 4,144.61/x
  3. Step 3: Cross multiply
    6,976.31x = 9,625.75 × 4,144.61
  4. Step 4: Simplify right side
    6,976.31x = 39,894,993.41
  5. Step 5: Solve for x
    x = 39,894,993.41/6,976.31
  6. Step 6: Final answer
    x = 5,718.64

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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.