Home / 5,447.12-7,517.14-3,089.34

Finding the Fourth Proportional to 5,447.12, 7,517.14 and 3,089.34

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Solution

The fourth proportional to 5,447.12, 7,517.14 and 3,089.34 is: 4,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.12 : 7,517.14 = 3,089.34 : x
  2. Step 2: Convert to fraction form
    5,447.12/7,517.14 = 3,089.34/x
  3. Step 3: Cross multiply
    5,447.12x = 7,517.14 × 3,089.34
  4. Step 4: Simplify right side
    5,447.12x = 23,222,993.56
  5. Step 5: Solve for x
    x = 23,222,993.56/5,447.12
  6. Step 6: Final answer
    x = 4,263.36

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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.