Home / 6,173.46-8,517.69-3,519.90

Finding the Fourth Proportional to 6,173.46, 8,517.69 and 3,519.90

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Solution

The fourth proportional to 6,173.46, 8,517.69 and 3,519.90 is: 4,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.46 : 8,517.69 = 3,519.90 : x
  2. Step 2: Convert to fraction form
    6,173.46/8,517.69 = 3,519.90/x
  3. Step 3: Cross multiply
    6,173.46x = 8,517.69 × 3,519.90
  4. Step 4: Simplify right side
    6,173.46x = 29,981,417.03
  5. Step 5: Solve for x
    x = 29,981,417.03/6,173.46
  6. Step 6: Final answer
    x = 4,856.50

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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.