Home / 5,327.31-7,350.98-3,231.03

Finding the Fourth Proportional to 5,327.31, 7,350.98 and 3,231.03

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Solution

The fourth proportional to 5,327.31, 7,350.98 and 3,231.03 is: 4,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.31 : 7,350.98 = 3,231.03 : x
  2. Step 2: Convert to fraction form
    5,327.31/7,350.98 = 3,231.03/x
  3. Step 3: Cross multiply
    5,327.31x = 7,350.98 × 3,231.03
  4. Step 4: Simplify right side
    5,327.31x = 23,751,220.75
  5. Step 5: Solve for x
    x = 23,751,220.75/5,327.31
  6. Step 6: Final answer
    x = 4,458.39

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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.