Home / 4,228.20-6,343.39-2,474.69

Finding the Fourth Proportional to 4,228.20, 6,343.39 and 2,474.69

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Solution

The fourth proportional to 4,228.20, 6,343.39 and 2,474.69 is: 3,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.20 : 6,343.39 = 2,474.69 : x
  2. Step 2: Convert to fraction form
    4,228.20/6,343.39 = 2,474.69/x
  3. Step 3: Cross multiply
    4,228.20x = 6,343.39 × 2,474.69
  4. Step 4: Simplify right side
    4,228.20x = 15,697,885.90
  5. Step 5: Solve for x
    x = 15,697,885.90/4,228.20
  6. Step 6: Final answer
    x = 3,712.66

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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.