Home / 7,579.46-11,372.08-2,649.58

Finding the Fourth Proportional to 7,579.46, 11,372.08 and 2,649.58

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Solution

The fourth proportional to 7,579.46, 11,372.08 and 2,649.58 is: 3,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.46 : 11,372.08 = 2,649.58 : x
  2. Step 2: Convert to fraction form
    7,579.46/11,372.08 = 2,649.58/x
  3. Step 3: Cross multiply
    7,579.46x = 11,372.08 × 2,649.58
  4. Step 4: Simplify right side
    7,579.46x = 30,131,235.73
  5. Step 5: Solve for x
    x = 30,131,235.73/7,579.46
  6. Step 6: Final answer
    x = 3,975.38

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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.