Home / 7,334.80-11,003.82-3,639.04

Finding the Fourth Proportional to 7,334.80, 11,003.82 and 3,639.04

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Solution

The fourth proportional to 7,334.80, 11,003.82 and 3,639.04 is: 5,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,334.80 : 11,003.82 = 3,639.04 : x
  2. Step 2: Convert to fraction form
    7,334.80/11,003.82 = 3,639.04/x
  3. Step 3: Cross multiply
    7,334.80x = 11,003.82 × 3,639.04
  4. Step 4: Simplify right side
    7,334.80x = 40,043,341.13
  5. Step 5: Solve for x
    x = 40,043,341.13/7,334.80
  6. Step 6: Final answer
    x = 5,459.36

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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.