Home / 3,976.61-5,965.04-1,896.84

Finding the Fourth Proportional to 3,976.61, 5,965.04 and 1,896.84

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Solution

The fourth proportional to 3,976.61, 5,965.04 and 1,896.84 is: 2,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.61 : 5,965.04 = 1,896.84 : x
  2. Step 2: Convert to fraction form
    3,976.61/5,965.04 = 1,896.84/x
  3. Step 3: Cross multiply
    3,976.61x = 5,965.04 × 1,896.84
  4. Step 4: Simplify right side
    3,976.61x = 11,314,726.47
  5. Step 5: Solve for x
    x = 11,314,726.47/3,976.61
  6. Step 6: Final answer
    x = 2,845.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.