Home / 6,655.45-9,983.96-2,213.52

Finding the Fourth Proportional to 6,655.45, 9,983.96 and 2,213.52

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Solution

The fourth proportional to 6,655.45, 9,983.96 and 2,213.52 is: 3,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.45 : 9,983.96 = 2,213.52 : x
  2. Step 2: Convert to fraction form
    6,655.45/9,983.96 = 2,213.52/x
  3. Step 3: Cross multiply
    6,655.45x = 9,983.96 × 2,213.52
  4. Step 4: Simplify right side
    6,655.45x = 22,099,695.14
  5. Step 5: Solve for x
    x = 22,099,695.14/6,655.45
  6. Step 6: Final answer
    x = 3,320.54

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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.