Home / 4,961.89-7,421.37-2,876.95

Finding the Fourth Proportional to 4,961.89, 7,421.37 and 2,876.95

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Solution

The fourth proportional to 4,961.89, 7,421.37 and 2,876.95 is: 4,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.89 : 7,421.37 = 2,876.95 : x
  2. Step 2: Convert to fraction form
    4,961.89/7,421.37 = 2,876.95/x
  3. Step 3: Cross multiply
    4,961.89x = 7,421.37 × 2,876.95
  4. Step 4: Simplify right side
    4,961.89x = 21,350,910.42
  5. Step 5: Solve for x
    x = 21,350,910.42/4,961.89
  6. Step 6: Final answer
    x = 4,302.98

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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.