Home / 4,976.55-6,867.57-2,738.37

Finding the Fourth Proportional to 4,976.55, 6,867.57 and 2,738.37

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Solution

The fourth proportional to 4,976.55, 6,867.57 and 2,738.37 is: 3,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.55 : 6,867.57 = 2,738.37 : x
  2. Step 2: Convert to fraction form
    4,976.55/6,867.57 = 2,738.37/x
  3. Step 3: Cross multiply
    4,976.55x = 6,867.57 × 2,738.37
  4. Step 4: Simplify right side
    4,976.55x = 18,805,947.66
  5. Step 5: Solve for x
    x = 18,805,947.66/4,976.55
  6. Step 6: Final answer
    x = 3,778.91

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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.