Home / 6,122.94-8,449.02-3,604.90

Finding the Fourth Proportional to 6,122.94, 8,449.02 and 3,604.90

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Solution

The fourth proportional to 6,122.94, 8,449.02 and 3,604.90 is: 4,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.94 : 8,449.02 = 3,604.90 : x
  2. Step 2: Convert to fraction form
    6,122.94/8,449.02 = 3,604.90/x
  3. Step 3: Cross multiply
    6,122.94x = 8,449.02 × 3,604.90
  4. Step 4: Simplify right side
    6,122.94x = 30,457,872.20
  5. Step 5: Solve for x
    x = 30,457,872.20/6,122.94
  6. Step 6: Final answer
    x = 4,974.39

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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.