Home / 6,173.20-8,518.08-3,520.48

Finding the Fourth Proportional to 6,173.20, 8,518.08 and 3,520.48

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Solution

The fourth proportional to 6,173.20, 8,518.08 and 3,520.48 is: 4,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.20 : 8,518.08 = 3,520.48 : x
  2. Step 2: Convert to fraction form
    6,173.20/8,518.08 = 3,520.48/x
  3. Step 3: Cross multiply
    6,173.20x = 8,518.08 × 3,520.48
  4. Step 4: Simplify right side
    6,173.20x = 29,987,730.28
  5. Step 5: Solve for x
    x = 29,987,730.28/6,173.20
  6. Step 6: Final answer
    x = 4,857.73

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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.