Home / 7,238.66-9,989.26-4,094.85

Finding the Fourth Proportional to 7,238.66, 9,989.26 and 4,094.85

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Solution

The fourth proportional to 7,238.66, 9,989.26 and 4,094.85 is: 5,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.66 : 9,989.26 = 4,094.85 : x
  2. Step 2: Convert to fraction form
    7,238.66/9,989.26 = 4,094.85/x
  3. Step 3: Cross multiply
    7,238.66x = 9,989.26 × 4,094.85
  4. Step 4: Simplify right side
    7,238.66x = 40,904,500.84
  5. Step 5: Solve for x
    x = 40,904,500.84/7,238.66
  6. Step 6: Final answer
    x = 5,650.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.