Home / 5,331.40-7,993.45-2,408.11

Finding the Fourth Proportional to 5,331.40, 7,993.45 and 2,408.11

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Solution

The fourth proportional to 5,331.40, 7,993.45 and 2,408.11 is: 3,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.40 : 7,993.45 = 2,408.11 : x
  2. Step 2: Convert to fraction form
    5,331.40/7,993.45 = 2,408.11/x
  3. Step 3: Cross multiply
    5,331.40x = 7,993.45 × 2,408.11
  4. Step 4: Simplify right side
    5,331.40x = 19,249,106.88
  5. Step 5: Solve for x
    x = 19,249,106.88/5,331.40
  6. Step 6: Final answer
    x = 3,610.52

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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.