Home / 5,195.21-7,169.18-2,837.43

Finding the Fourth Proportional to 5,195.21, 7,169.18 and 2,837.43

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Solution

The fourth proportional to 5,195.21, 7,169.18 and 2,837.43 is: 3,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.21 : 7,169.18 = 2,837.43 : x
  2. Step 2: Convert to fraction form
    5,195.21/7,169.18 = 2,837.43/x
  3. Step 3: Cross multiply
    5,195.21x = 7,169.18 × 2,837.43
  4. Step 4: Simplify right side
    5,195.21x = 20,342,032.22
  5. Step 5: Solve for x
    x = 20,342,032.22/5,195.21
  6. Step 6: Final answer
    x = 3,915.54

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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.