Home / 5,195.16-7,171.26-3,099.48

Finding the Fourth Proportional to 5,195.16, 7,171.26 and 3,099.48

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Solution

The fourth proportional to 5,195.16, 7,171.26 and 3,099.48 is: 4,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.16 : 7,171.26 = 3,099.48 : x
  2. Step 2: Convert to fraction form
    5,195.16/7,171.26 = 3,099.48/x
  3. Step 3: Cross multiply
    5,195.16x = 7,171.26 × 3,099.48
  4. Step 4: Simplify right side
    5,195.16x = 22,227,176.94
  5. Step 5: Solve for x
    x = 22,227,176.94/5,195.16
  6. Step 6: Final answer
    x = 4,278.44

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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.