Home / 7,958.50-11,935.78-2,693.40

Finding the Fourth Proportional to 7,958.50, 11,935.78 and 2,693.40

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Solution

The fourth proportional to 7,958.50, 11,935.78 and 2,693.40 is: 4,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.50 : 11,935.78 = 2,693.40 : x
  2. Step 2: Convert to fraction form
    7,958.50/11,935.78 = 2,693.40/x
  3. Step 3: Cross multiply
    7,958.50x = 11,935.78 × 2,693.40
  4. Step 4: Simplify right side
    7,958.50x = 32,147,829.85
  5. Step 5: Solve for x
    x = 32,147,829.85/7,958.50
  6. Step 6: Final answer
    x = 4,039.43

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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.