Home / 5,173.87-7,760.83-3,429.95

Finding the Fourth Proportional to 5,173.87, 7,760.83 and 3,429.95

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Solution

The fourth proportional to 5,173.87, 7,760.83 and 3,429.95 is: 5,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.87 : 7,760.83 = 3,429.95 : x
  2. Step 2: Convert to fraction form
    5,173.87/7,760.83 = 3,429.95/x
  3. Step 3: Cross multiply
    5,173.87x = 7,760.83 × 3,429.95
  4. Step 4: Simplify right side
    5,173.87x = 26,619,258.86
  5. Step 5: Solve for x
    x = 26,619,258.86/5,173.87
  6. Step 6: Final answer
    x = 5,144.94

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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.