Home / 4,976.38-6,867.47-2,738.35

Finding the Fourth Proportional to 4,976.38, 6,867.47 and 2,738.35

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Solution

The fourth proportional to 4,976.38, 6,867.47 and 2,738.35 is: 3,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.38 : 6,867.47 = 2,738.35 : x
  2. Step 2: Convert to fraction form
    4,976.38/6,867.47 = 2,738.35/x
  3. Step 3: Cross multiply
    4,976.38x = 6,867.47 × 2,738.35
  4. Step 4: Simplify right side
    4,976.38x = 18,805,536.47
  5. Step 5: Solve for x
    x = 18,805,536.47/4,976.38
  6. Step 6: Final answer
    x = 3,778.96

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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.