Home / 5,622.78-8,434.20-2,544.78

Finding the Fourth Proportional to 5,622.78, 8,434.20 and 2,544.78

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Solution

The fourth proportional to 5,622.78, 8,434.20 and 2,544.78 is: 3,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.78 : 8,434.20 = 2,544.78 : x
  2. Step 2: Convert to fraction form
    5,622.78/8,434.20 = 2,544.78/x
  3. Step 3: Cross multiply
    5,622.78x = 8,434.20 × 2,544.78
  4. Step 4: Simplify right side
    5,622.78x = 21,463,183.48
  5. Step 5: Solve for x
    x = 21,463,183.48/5,622.78
  6. Step 6: Final answer
    x = 3,817.18

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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.