Home / 5,919.44-8,170.26-3,561.13

Finding the Fourth Proportional to 5,919.44, 8,170.26 and 3,561.13

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Solution

The fourth proportional to 5,919.44, 8,170.26 and 3,561.13 is: 4,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.44 : 8,170.26 = 3,561.13 : x
  2. Step 2: Convert to fraction form
    5,919.44/8,170.26 = 3,561.13/x
  3. Step 3: Cross multiply
    5,919.44x = 8,170.26 × 3,561.13
  4. Step 4: Simplify right side
    5,919.44x = 29,095,317.14
  5. Step 5: Solve for x
    x = 29,095,317.14/5,919.44
  6. Step 6: Final answer
    x = 4,915.21

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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.