Home / 3,086.49-4,608.43-2,647.04

Finding the Fourth Proportional to 3,086.49, 4,608.43 and 2,647.04

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Solution

The fourth proportional to 3,086.49, 4,608.43 and 2,647.04 is: 3,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.49 : 4,608.43 = 2,647.04 : x
  2. Step 2: Convert to fraction form
    3,086.49/4,608.43 = 2,647.04/x
  3. Step 3: Cross multiply
    3,086.49x = 4,608.43 × 2,647.04
  4. Step 4: Simplify right side
    3,086.49x = 12,198,698.55
  5. Step 5: Solve for x
    x = 12,198,698.55/3,086.49
  6. Step 6: Final answer
    x = 3,952.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.