Home / 5,913.79-8,872.70-2,629.17

Finding the Fourth Proportional to 5,913.79, 8,872.70 and 2,629.17

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Solution

The fourth proportional to 5,913.79, 8,872.70 and 2,629.17 is: 3,944.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.79 : 8,872.70 = 2,629.17 : x
  2. Step 2: Convert to fraction form
    5,913.79/8,872.70 = 2,629.17/x
  3. Step 3: Cross multiply
    5,913.79x = 8,872.70 × 2,629.17
  4. Step 4: Simplify right side
    5,913.79x = 23,327,836.66
  5. Step 5: Solve for x
    x = 23,327,836.66/5,913.79
  6. Step 6: Final answer
    x = 3,944.65

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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.