Home / 7,147.70-10,723.75-3,202.28

Finding the Fourth Proportional to 7,147.70, 10,723.75 and 3,202.28

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Solution

The fourth proportional to 7,147.70, 10,723.75 and 3,202.28 is: 4,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.70 : 10,723.75 = 3,202.28 : x
  2. Step 2: Convert to fraction form
    7,147.70/10,723.75 = 3,202.28/x
  3. Step 3: Cross multiply
    7,147.70x = 10,723.75 × 3,202.28
  4. Step 4: Simplify right side
    7,147.70x = 34,340,396.53
  5. Step 5: Solve for x
    x = 34,340,396.53/7,147.70
  6. Step 6: Final answer
    x = 4,804.40

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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.