Home / 7,334.31-11,003.99-2,140.95

Finding the Fourth Proportional to 7,334.31, 11,003.99 and 2,140.95

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Solution

The fourth proportional to 7,334.31, 11,003.99 and 2,140.95 is: 3,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.31 : 11,003.99 = 2,140.95 : x
  2. Step 2: Convert to fraction form
    7,334.31/11,003.99 = 2,140.95/x
  3. Step 3: Cross multiply
    7,334.31x = 11,003.99 × 2,140.95
  4. Step 4: Simplify right side
    7,334.31x = 23,558,981.69
  5. Step 5: Solve for x
    x = 23,558,981.69/7,334.31
  6. Step 6: Final answer
    x = 3,212.16

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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.