Home / 5,198.10-7,173.36-3,102

Finding the Fourth Proportional to 5,198.10, 7,173.36 and 3,102

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Solution

The fourth proportional to 5,198.10, 7,173.36 and 3,102 is: 4,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.10 : 7,173.36 = 3,102 : x
  2. Step 2: Convert to fraction form
    5,198.10/7,173.36 = 3,102/x
  3. Step 3: Cross multiply
    5,198.10x = 7,173.36 × 3,102
  4. Step 4: Simplify right side
    5,198.10x = 22,251,762.72
  5. Step 5: Solve for x
    x = 22,251,762.72/5,198.10
  6. Step 6: Final answer
    x = 4,280.75

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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.