Home / 5,101.43-7,639.79-2,596.03

Finding the Fourth Proportional to 5,101.43, 7,639.79 and 2,596.03

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Solution

The fourth proportional to 5,101.43, 7,639.79 and 2,596.03 is: 3,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.43 : 7,639.79 = 2,596.03 : x
  2. Step 2: Convert to fraction form
    5,101.43/7,639.79 = 2,596.03/x
  3. Step 3: Cross multiply
    5,101.43x = 7,639.79 × 2,596.03
  4. Step 4: Simplify right side
    5,101.43x = 19,833,091.95
  5. Step 5: Solve for x
    x = 19,833,091.95/5,101.43
  6. Step 6: Final answer
    x = 3,887.76

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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.