Home / 4,770.54-7,157.82-2,580.78

Finding the Fourth Proportional to 4,770.54, 7,157.82 and 2,580.78

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Solution

The fourth proportional to 4,770.54, 7,157.82 and 2,580.78 is: 3,872.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.54 : 7,157.82 = 2,580.78 : x
  2. Step 2: Convert to fraction form
    4,770.54/7,157.82 = 2,580.78/x
  3. Step 3: Cross multiply
    4,770.54x = 7,157.82 × 2,580.78
  4. Step 4: Simplify right side
    4,770.54x = 18,472,758.70
  5. Step 5: Solve for x
    x = 18,472,758.70/4,770.54
  6. Step 6: Final answer
    x = 3,872.26

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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.