Home / 4,115.61-6,172.20-2,267.60

Finding the Fourth Proportional to 4,115.61, 6,172.20 and 2,267.60

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Solution

The fourth proportional to 4,115.61, 6,172.20 and 2,267.60 is: 3,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.61 : 6,172.20 = 2,267.60 : x
  2. Step 2: Convert to fraction form
    4,115.61/6,172.20 = 2,267.60/x
  3. Step 3: Cross multiply
    4,115.61x = 6,172.20 × 2,267.60
  4. Step 4: Simplify right side
    4,115.61x = 13,996,049.86
  5. Step 5: Solve for x
    x = 13,996,049.86/4,115.61
  6. Step 6: Final answer
    x = 3,400.72

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1.5x scale

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.