Home / 8,021.25-12,033.38-3,090.46

Finding the Fourth Proportional to 8,021.25, 12,033.38 and 3,090.46

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Solution

The fourth proportional to 8,021.25, 12,033.38 and 3,090.46 is: 4,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.25 : 12,033.38 = 3,090.46 : x
  2. Step 2: Convert to fraction form
    8,021.25/12,033.38 = 3,090.46/x
  3. Step 3: Cross multiply
    8,021.25x = 12,033.38 × 3,090.46
  4. Step 4: Simplify right side
    8,021.25x = 37,188,679.55
  5. Step 5: Solve for x
    x = 37,188,679.55/8,021.25
  6. Step 6: Final answer
    x = 4,636.27

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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.