Home / 4,976.47-6,867.18-2,738.44

Finding the Fourth Proportional to 4,976.47, 6,867.18 and 2,738.44

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Solution

The fourth proportional to 4,976.47, 6,867.18 and 2,738.44 is: 3,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.47 : 6,867.18 = 2,738.44 : x
  2. Step 2: Convert to fraction form
    4,976.47/6,867.18 = 2,738.44/x
  3. Step 3: Cross multiply
    4,976.47x = 6,867.18 × 2,738.44
  4. Step 4: Simplify right side
    4,976.47x = 18,805,360.40
  5. Step 5: Solve for x
    x = 18,805,360.40/4,976.47
  6. Step 6: Final answer
    x = 3,778.86

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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.