Home / 5,150.06-7,107.10-2,792.21

Finding the Fourth Proportional to 5,150.06, 7,107.10 and 2,792.21

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Solution

The fourth proportional to 5,150.06, 7,107.10 and 2,792.21 is: 3,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.06 : 7,107.10 = 2,792.21 : x
  2. Step 2: Convert to fraction form
    5,150.06/7,107.10 = 2,792.21/x
  3. Step 3: Cross multiply
    5,150.06x = 7,107.10 × 2,792.21
  4. Step 4: Simplify right side
    5,150.06x = 19,844,501.73
  5. Step 5: Solve for x
    x = 19,844,501.73/5,150.06
  6. Step 6: Final answer
    x = 3,853.26

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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.