Home / 6,173.25-8,519.15-3,378.81

Finding the Fourth Proportional to 6,173.25, 8,519.15 and 3,378.81

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Solution

The fourth proportional to 6,173.25, 8,519.15 and 3,378.81 is: 4,662.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.25 : 8,519.15 = 3,378.81 : x
  2. Step 2: Convert to fraction form
    6,173.25/8,519.15 = 3,378.81/x
  3. Step 3: Cross multiply
    6,173.25x = 8,519.15 × 3,378.81
  4. Step 4: Simplify right side
    6,173.25x = 28,784,572.32
  5. Step 5: Solve for x
    x = 28,784,572.32/6,173.25
  6. Step 6: Final answer
    x = 4,662.79

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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.