Home / 3,608.31-5,415.80-2,224.33

Finding the Fourth Proportional to 3,608.31, 5,415.80 and 2,224.33

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Solution

The fourth proportional to 3,608.31, 5,415.80 and 2,224.33 is: 3,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.31 : 5,415.80 = 2,224.33 : x
  2. Step 2: Convert to fraction form
    3,608.31/5,415.80 = 2,224.33/x
  3. Step 3: Cross multiply
    3,608.31x = 5,415.80 × 2,224.33
  4. Step 4: Simplify right side
    3,608.31x = 12,046,526.41
  5. Step 5: Solve for x
    x = 12,046,526.41/3,608.31
  6. Step 6: Final answer
    x = 3,338.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.