Home / 5,150.09-7,107.12-2,792.22

Finding the Fourth Proportional to 5,150.09, 7,107.12 and 2,792.22

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Solution

The fourth proportional to 5,150.09, 7,107.12 and 2,792.22 is: 3,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.09 : 7,107.12 = 2,792.22 : x
  2. Step 2: Convert to fraction form
    5,150.09/7,107.12 = 2,792.22/x
  3. Step 3: Cross multiply
    5,150.09x = 7,107.12 × 2,792.22
  4. Step 4: Simplify right side
    5,150.09x = 19,844,642.61
  5. Step 5: Solve for x
    x = 19,844,642.61/5,150.09
  6. Step 6: Final answer
    x = 3,853.27

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Double scale
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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.