Home / 5,150.17-7,107.22-2,792.31

Finding the Fourth Proportional to 5,150.17, 7,107.22 and 2,792.31

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Solution

The fourth proportional to 5,150.17, 7,107.22 and 2,792.31 is: 3,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.17 : 7,107.22 = 2,792.31 : x
  2. Step 2: Convert to fraction form
    5,150.17/7,107.22 = 2,792.31/x
  3. Step 3: Cross multiply
    5,150.17x = 7,107.22 × 2,792.31
  4. Step 4: Simplify right side
    5,150.17x = 19,845,561.48
  5. Step 5: Solve for x
    x = 19,845,561.48/5,150.17
  6. Step 6: Final answer
    x = 3,853.38

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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.