Home / 4,077.52-6,120-2,520.54

Finding the Fourth Proportional to 4,077.52, 6,120 and 2,520.54

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Solution

The fourth proportional to 4,077.52, 6,120 and 2,520.54 is: 3,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.52 : 6,120 = 2,520.54 : x
  2. Step 2: Convert to fraction form
    4,077.52/6,120 = 2,520.54/x
  3. Step 3: Cross multiply
    4,077.52x = 6,120 × 2,520.54
  4. Step 4: Simplify right side
    4,077.52x = 15,425,704.80
  5. Step 5: Solve for x
    x = 15,425,704.80/4,077.52
  6. Step 6: Final answer
    x = 3,783.11

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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.