Home / 5,195.18-7,786.98-2,074.38

Finding the Fourth Proportional to 5,195.18, 7,786.98 and 2,074.38

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Solution

The fourth proportional to 5,195.18, 7,786.98 and 2,074.38 is: 3,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.18 : 7,786.98 = 2,074.38 : x
  2. Step 2: Convert to fraction form
    5,195.18/7,786.98 = 2,074.38/x
  3. Step 3: Cross multiply
    5,195.18x = 7,786.98 × 2,074.38
  4. Step 4: Simplify right side
    5,195.18x = 16,153,145.20
  5. Step 5: Solve for x
    x = 16,153,145.20/5,195.18
  6. Step 6: Final answer
    x = 3,109.26

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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.