Home / 5,196.26-7,170.84-2,838.42

Finding the Fourth Proportional to 5,196.26, 7,170.84 and 2,838.42

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Solution

The fourth proportional to 5,196.26, 7,170.84 and 2,838.42 is: 3,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.26 : 7,170.84 = 2,838.42 : x
  2. Step 2: Convert to fraction form
    5,196.26/7,170.84 = 2,838.42/x
  3. Step 3: Cross multiply
    5,196.26x = 7,170.84 × 2,838.42
  4. Step 4: Simplify right side
    5,196.26x = 20,353,855.67
  5. Step 5: Solve for x
    x = 20,353,855.67/5,196.26
  6. Step 6: Final answer
    x = 3,917.02

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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.