Home / 7,326.47-10,981.91-2,394.78

Finding the Fourth Proportional to 7,326.47, 10,981.91 and 2,394.78

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Solution

The fourth proportional to 7,326.47, 10,981.91 and 2,394.78 is: 3,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.47 : 10,981.91 = 2,394.78 : x
  2. Step 2: Convert to fraction form
    7,326.47/10,981.91 = 2,394.78/x
  3. Step 3: Cross multiply
    7,326.47x = 10,981.91 × 2,394.78
  4. Step 4: Simplify right side
    7,326.47x = 26,299,246.46
  5. Step 5: Solve for x
    x = 26,299,246.46/7,326.47
  6. Step 6: Final answer
    x = 3,589.62

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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.