Home / 5,195.18-7,169.64-3,099.44

Finding the Fourth Proportional to 5,195.18, 7,169.64 and 3,099.44

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Solution

The fourth proportional to 5,195.18, 7,169.64 and 3,099.44 is: 4,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.18 : 7,169.64 = 3,099.44 : x
  2. Step 2: Convert to fraction form
    5,195.18/7,169.64 = 3,099.44/x
  3. Step 3: Cross multiply
    5,195.18x = 7,169.64 × 3,099.44
  4. Step 4: Simplify right side
    5,195.18x = 22,221,869.00
  5. Step 5: Solve for x
    x = 22,221,869.00/5,195.18
  6. Step 6: Final answer
    x = 4,277.40

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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.