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Finding the Fourth Proportional to 2,794.20, 4,188.60 and 2,502.60

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Solution

The fourth proportional to 2,794.20, 4,188.60 and 2,502.60 is: 3,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.20 : 4,188.60 = 2,502.60 : x
  2. Step 2: Convert to fraction form
    2,794.20/4,188.60 = 2,502.60/x
  3. Step 3: Cross multiply
    2,794.20x = 4,188.60 × 2,502.60
  4. Step 4: Simplify right side
    2,794.20x = 10,482,390.36
  5. Step 5: Solve for x
    x = 10,482,390.36/2,794.20
  6. Step 6: Final answer
    x = 3,751.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.