Home / 5,860.26-8,785.36-2,161.80

Finding the Fourth Proportional to 5,860.26, 8,785.36 and 2,161.80

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Solution

The fourth proportional to 5,860.26, 8,785.36 and 2,161.80 is: 3,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.26 : 8,785.36 = 2,161.80 : x
  2. Step 2: Convert to fraction form
    5,860.26/8,785.36 = 2,161.80/x
  3. Step 3: Cross multiply
    5,860.26x = 8,785.36 × 2,161.80
  4. Step 4: Simplify right side
    5,860.26x = 18,992,191.25
  5. Step 5: Solve for x
    x = 18,992,191.25/5,860.26
  6. Step 6: Final answer
    x = 3,240.84

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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.