Home / 5,104.24-7,043.82-2,981.02

Finding the Fourth Proportional to 5,104.24, 7,043.82 and 2,981.02

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Solution

The fourth proportional to 5,104.24, 7,043.82 and 2,981.02 is: 4,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.24 : 7,043.82 = 2,981.02 : x
  2. Step 2: Convert to fraction form
    5,104.24/7,043.82 = 2,981.02/x
  3. Step 3: Cross multiply
    5,104.24x = 7,043.82 × 2,981.02
  4. Step 4: Simplify right side
    5,104.24x = 20,997,768.30
  5. Step 5: Solve for x
    x = 20,997,768.30/5,104.24
  6. Step 6: Final answer
    x = 4,113.79

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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.