Home / 4,942.22-6,821.99-3,055.25

Finding the Fourth Proportional to 4,942.22, 6,821.99 and 3,055.25

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Solution

The fourth proportional to 4,942.22, 6,821.99 and 3,055.25 is: 4,217.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.22 : 6,821.99 = 3,055.25 : x
  2. Step 2: Convert to fraction form
    4,942.22/6,821.99 = 3,055.25/x
  3. Step 3: Cross multiply
    4,942.22x = 6,821.99 × 3,055.25
  4. Step 4: Simplify right side
    4,942.22x = 20,842,835.56
  5. Step 5: Solve for x
    x = 20,842,835.56/4,942.22
  6. Step 6: Final answer
    x = 4,217.31

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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.