Home / 7,413.30-11,120.78-2,483.28

Finding the Fourth Proportional to 7,413.30, 11,120.78 and 2,483.28

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Solution

The fourth proportional to 7,413.30, 11,120.78 and 2,483.28 is: 3,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.30 : 11,120.78 = 2,483.28 : x
  2. Step 2: Convert to fraction form
    7,413.30/11,120.78 = 2,483.28/x
  3. Step 3: Cross multiply
    7,413.30x = 11,120.78 × 2,483.28
  4. Step 4: Simplify right side
    7,413.30x = 27,615,942.54
  5. Step 5: Solve for x
    x = 27,615,942.54/7,413.30
  6. Step 6: Final answer
    x = 3,725.19

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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.