Home / 3,355.89-4,622.43-2,824.12

Finding the Fourth Proportional to 3,355.89, 4,622.43 and 2,824.12

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Solution

The fourth proportional to 3,355.89, 4,622.43 and 2,824.12 is: 3,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.89 : 4,622.43 = 2,824.12 : x
  2. Step 2: Convert to fraction form
    3,355.89/4,622.43 = 2,824.12/x
  3. Step 3: Cross multiply
    3,355.89x = 4,622.43 × 2,824.12
  4. Step 4: Simplify right side
    3,355.89x = 13,054,297.01
  5. Step 5: Solve for x
    x = 13,054,297.01/3,355.89
  6. Step 6: Final answer
    x = 3,889.97

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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.