Home / 5,474.26-8,212.20-2,877.40

Finding the Fourth Proportional to 5,474.26, 8,212.20 and 2,877.40

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Solution

The fourth proportional to 5,474.26, 8,212.20 and 2,877.40 is: 4,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.26 : 8,212.20 = 2,877.40 : x
  2. Step 2: Convert to fraction form
    5,474.26/8,212.20 = 2,877.40/x
  3. Step 3: Cross multiply
    5,474.26x = 8,212.20 × 2,877.40
  4. Step 4: Simplify right side
    5,474.26x = 23,629,784.28
  5. Step 5: Solve for x
    x = 23,629,784.28/5,474.26
  6. Step 6: Final answer
    x = 4,316.53

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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.