Home / 3,231.82-4,457.19-2,641.33

Finding the Fourth Proportional to 3,231.82, 4,457.19 and 2,641.33

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Solution

The fourth proportional to 3,231.82, 4,457.19 and 2,641.33 is: 3,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.82 : 4,457.19 = 2,641.33 : x
  2. Step 2: Convert to fraction form
    3,231.82/4,457.19 = 2,641.33/x
  3. Step 3: Cross multiply
    3,231.82x = 4,457.19 × 2,641.33
  4. Step 4: Simplify right side
    3,231.82x = 11,772,909.66
  5. Step 5: Solve for x
    x = 11,772,909.66/3,231.82
  6. Step 6: Final answer
    x = 3,642.81

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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.