Home / 5,204.21-7,184.14-3,318.31

Finding the Fourth Proportional to 5,204.21, 7,184.14 and 3,318.31

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Solution

The fourth proportional to 5,204.21, 7,184.14 and 3,318.31 is: 4,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.21 : 7,184.14 = 3,318.31 : x
  2. Step 2: Convert to fraction form
    5,204.21/7,184.14 = 3,318.31/x
  3. Step 3: Cross multiply
    5,204.21x = 7,184.14 × 3,318.31
  4. Step 4: Simplify right side
    5,204.21x = 23,839,204.29
  5. Step 5: Solve for x
    x = 23,839,204.29/5,204.21
  6. Step 6: Final answer
    x = 4,580.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.