Home / 5,198.08-7,174.20-3,103.44

Finding the Fourth Proportional to 5,198.08, 7,174.20 and 3,103.44

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Solution

The fourth proportional to 5,198.08, 7,174.20 and 3,103.44 is: 4,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.08 : 7,174.20 = 3,103.44 : x
  2. Step 2: Convert to fraction form
    5,198.08/7,174.20 = 3,103.44/x
  3. Step 3: Cross multiply
    5,198.08x = 7,174.20 × 3,103.44
  4. Step 4: Simplify right side
    5,198.08x = 22,264,699.25
  5. Step 5: Solve for x
    x = 22,264,699.25/5,198.08
  6. Step 6: Final answer
    x = 4,283.25

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1.5x scale

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.