Home / 3,976.35-5,486.33-2,297.84

Finding the Fourth Proportional to 3,976.35, 5,486.33 and 2,297.84

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Solution

The fourth proportional to 3,976.35, 5,486.33 and 2,297.84 is: 3,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.35 : 5,486.33 = 2,297.84 : x
  2. Step 2: Convert to fraction form
    3,976.35/5,486.33 = 2,297.84/x
  3. Step 3: Cross multiply
    3,976.35x = 5,486.33 × 2,297.84
  4. Step 4: Simplify right side
    3,976.35x = 12,606,669.61
  5. Step 5: Solve for x
    x = 12,606,669.61/3,976.35
  6. Step 6: Final answer
    x = 3,170.41

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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.