Home / 5,170.48-7,132.94-3,073.38

Finding the Fourth Proportional to 5,170.48, 7,132.94 and 3,073.38

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Solution

The fourth proportional to 5,170.48, 7,132.94 and 3,073.38 is: 4,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.48 : 7,132.94 = 3,073.38 : x
  2. Step 2: Convert to fraction form
    5,170.48/7,132.94 = 3,073.38/x
  3. Step 3: Cross multiply
    5,170.48x = 7,132.94 × 3,073.38
  4. Step 4: Simplify right side
    5,170.48x = 21,922,235.14
  5. Step 5: Solve for x
    x = 21,922,235.14/5,170.48
  6. Step 6: Final answer
    x = 4,239.88

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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.