Home / 5,150.35-7,107.49-2,792.49

Finding the Fourth Proportional to 5,150.35, 7,107.49 and 2,792.49

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Solution

The fourth proportional to 5,150.35, 7,107.49 and 2,792.49 is: 3,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.35 : 7,107.49 = 2,792.49 : x
  2. Step 2: Convert to fraction form
    5,150.35/7,107.49 = 2,792.49/x
  3. Step 3: Cross multiply
    5,150.35x = 7,107.49 × 2,792.49
  4. Step 4: Simplify right side
    5,150.35x = 19,847,594.75
  5. Step 5: Solve for x
    x = 19,847,594.75/5,150.35
  6. Step 6: Final answer
    x = 3,853.64

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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.