Home / 7,346.25-11,021.27-3,185.30

Finding the Fourth Proportional to 7,346.25, 11,021.27 and 3,185.30

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Solution

The fourth proportional to 7,346.25, 11,021.27 and 3,185.30 is: 4,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.25 : 11,021.27 = 3,185.30 : x
  2. Step 2: Convert to fraction form
    7,346.25/11,021.27 = 3,185.30/x
  3. Step 3: Cross multiply
    7,346.25x = 11,021.27 × 3,185.30
  4. Step 4: Simplify right side
    7,346.25x = 35,105,980.30
  5. Step 5: Solve for x
    x = 35,105,980.30/7,346.25
  6. Step 6: Final answer
    x = 4,778.76

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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.