Home / 8,090.14-12,131.31-2,825.02

Finding the Fourth Proportional to 8,090.14, 12,131.31 and 2,825.02

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Solution

The fourth proportional to 8,090.14, 12,131.31 and 2,825.02 is: 4,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.14 : 12,131.31 = 2,825.02 : x
  2. Step 2: Convert to fraction form
    8,090.14/12,131.31 = 2,825.02/x
  3. Step 3: Cross multiply
    8,090.14x = 12,131.31 × 2,825.02
  4. Step 4: Simplify right side
    8,090.14x = 34,271,193.38
  5. Step 5: Solve for x
    x = 34,271,193.38/8,090.14
  6. Step 6: Final answer
    x = 4,236.17

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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.