Home / 7,960.71-11,932.75-2,693.90

Finding the Fourth Proportional to 7,960.71, 11,932.75 and 2,693.90

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Solution

The fourth proportional to 7,960.71, 11,932.75 and 2,693.90 is: 4,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.71 : 11,932.75 = 2,693.90 : x
  2. Step 2: Convert to fraction form
    7,960.71/11,932.75 = 2,693.90/x
  3. Step 3: Cross multiply
    7,960.71x = 11,932.75 × 2,693.90
  4. Step 4: Simplify right side
    7,960.71x = 32,145,668.42
  5. Step 5: Solve for x
    x = 32,145,668.42/7,960.71
  6. Step 6: Final answer
    x = 4,038.04

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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.