Home / 6,122.40-8,449.44-3,604.44

Finding the Fourth Proportional to 6,122.40, 8,449.44 and 3,604.44

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Solution

The fourth proportional to 6,122.40, 8,449.44 and 3,604.44 is: 4,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.40 : 8,449.44 = 3,604.44 : x
  2. Step 2: Convert to fraction form
    6,122.40/8,449.44 = 3,604.44/x
  3. Step 3: Cross multiply
    6,122.40x = 8,449.44 × 3,604.44
  4. Step 4: Simplify right side
    6,122.40x = 30,455,499.51
  5. Step 5: Solve for x
    x = 30,455,499.51/6,122.40
  6. Step 6: Final answer
    x = 4,974.44

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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.