Home / 5,150.26-7,107.28-2,792.38

Finding the Fourth Proportional to 5,150.26, 7,107.28 and 2,792.38

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Solution

The fourth proportional to 5,150.26, 7,107.28 and 2,792.38 is: 3,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.26 : 7,107.28 = 2,792.38 : x
  2. Step 2: Convert to fraction form
    5,150.26/7,107.28 = 2,792.38/x
  3. Step 3: Cross multiply
    5,150.26x = 7,107.28 × 2,792.38
  4. Step 4: Simplify right side
    5,150.26x = 19,846,226.53
  5. Step 5: Solve for x
    x = 19,846,226.53/5,150.26
  6. Step 6: Final answer
    x = 3,853.44

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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.