Home / 6,964.43-9,610.38-3,820.61

Finding the Fourth Proportional to 6,964.43, 9,610.38 and 3,820.61

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Solution

The fourth proportional to 6,964.43, 9,610.38 and 3,820.61 is: 5,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.43 : 9,610.38 = 3,820.61 : x
  2. Step 2: Convert to fraction form
    6,964.43/9,610.38 = 3,820.61/x
  3. Step 3: Cross multiply
    6,964.43x = 9,610.38 × 3,820.61
  4. Step 4: Simplify right side
    6,964.43x = 36,717,513.93
  5. Step 5: Solve for x
    x = 36,717,513.93/6,964.43
  6. Step 6: Final answer
    x = 5,272.15

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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.