Home / 7,997.08-11,985.88-3,610.12

Finding the Fourth Proportional to 7,997.08, 11,985.88 and 3,610.12

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Solution

The fourth proportional to 7,997.08, 11,985.88 and 3,610.12 is: 5,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.08 : 11,985.88 = 3,610.12 : x
  2. Step 2: Convert to fraction form
    7,997.08/11,985.88 = 3,610.12/x
  3. Step 3: Cross multiply
    7,997.08x = 11,985.88 × 3,610.12
  4. Step 4: Simplify right side
    7,997.08x = 43,270,465.11
  5. Step 5: Solve for x
    x = 43,270,465.11/7,997.08
  6. Step 6: Final answer
    x = 5,410.78

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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.