Home / 5,954.27-8,221.77-3,719.88

Finding the Fourth Proportional to 5,954.27, 8,221.77 and 3,719.88

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Solution

The fourth proportional to 5,954.27, 8,221.77 and 3,719.88 is: 5,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,954.27 : 8,221.77 = 3,719.88 : x
  2. Step 2: Convert to fraction form
    5,954.27/8,221.77 = 3,719.88/x
  3. Step 3: Cross multiply
    5,954.27x = 8,221.77 × 3,719.88
  4. Step 4: Simplify right side
    5,954.27x = 30,583,997.79
  5. Step 5: Solve for x
    x = 30,583,997.79/5,954.27
  6. Step 6: Final answer
    x = 5,136.49

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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.