Home / 7,108.47-10,658.44-3,361.21

Finding the Fourth Proportional to 7,108.47, 10,658.44 and 3,361.21

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Solution

The fourth proportional to 7,108.47, 10,658.44 and 3,361.21 is: 5,039.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.47 : 10,658.44 = 3,361.21 : x
  2. Step 2: Convert to fraction form
    7,108.47/10,658.44 = 3,361.21/x
  3. Step 3: Cross multiply
    7,108.47x = 10,658.44 × 3,361.21
  4. Step 4: Simplify right side
    7,108.47x = 35,825,255.11
  5. Step 5: Solve for x
    x = 35,825,255.11/7,108.47
  6. Step 6: Final answer
    x = 5,039.80

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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.