Home / 3,096.18-4,644.25-756.20

Finding the Fourth Proportional to 3,096.18, 4,644.25 and 756.20

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Solution

The fourth proportional to 3,096.18, 4,644.25 and 756.20 is: 1,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.18 : 4,644.25 = 756.20 : x
  2. Step 2: Convert to fraction form
    3,096.18/4,644.25 = 756.20/x
  3. Step 3: Cross multiply
    3,096.18x = 4,644.25 × 756.20
  4. Step 4: Simplify right side
    3,096.18x = 3,511,958.63
  5. Step 5: Solve for x
    x = 3,511,958.63/3,096.18
  6. Step 6: Final answer
    x = 1,134.29

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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.