Home / 6,619.33-9,134.38-3,635.22

Finding the Fourth Proportional to 6,619.33, 9,134.38 and 3,635.22

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Solution

The fourth proportional to 6,619.33, 9,134.38 and 3,635.22 is: 5,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.33 : 9,134.38 = 3,635.22 : x
  2. Step 2: Convert to fraction form
    6,619.33/9,134.38 = 3,635.22/x
  3. Step 3: Cross multiply
    6,619.33x = 9,134.38 × 3,635.22
  4. Step 4: Simplify right side
    6,619.33x = 33,205,480.86
  5. Step 5: Solve for x
    x = 33,205,480.86/6,619.33
  6. Step 6: Final answer
    x = 5,016.44

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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.