Home / 4,199.51-5,786.19-3,136.86

Finding the Fourth Proportional to 4,199.51, 5,786.19 and 3,136.86

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Solution

The fourth proportional to 4,199.51, 5,786.19 and 3,136.86 is: 4,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.51 : 5,786.19 = 3,136.86 : x
  2. Step 2: Convert to fraction form
    4,199.51/5,786.19 = 3,136.86/x
  3. Step 3: Cross multiply
    4,199.51x = 5,786.19 × 3,136.86
  4. Step 4: Simplify right side
    4,199.51x = 18,150,467.96
  5. Step 5: Solve for x
    x = 18,150,467.96/4,199.51
  6. Step 6: Final answer
    x = 4,322.04

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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.