Home / 6,103.35-9,139.14-5,231.43

Finding the Fourth Proportional to 6,103.35, 9,139.14 and 5,231.43

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Solution

The fourth proportional to 6,103.35, 9,139.14 and 5,231.43 is: 7,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.35 : 9,139.14 = 5,231.43 : x
  2. Step 2: Convert to fraction form
    6,103.35/9,139.14 = 5,231.43/x
  3. Step 3: Cross multiply
    6,103.35x = 9,139.14 × 5,231.43
  4. Step 4: Simplify right side
    6,103.35x = 47,810,771.17
  5. Step 5: Solve for x
    x = 47,810,771.17/6,103.35
  6. Step 6: Final answer
    x = 7,833.53

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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.