Home / 2,928.41-4,040.55-1,749.25

Finding the Fourth Proportional to 2,928.41, 4,040.55 and 1,749.25

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Solution

The fourth proportional to 2,928.41, 4,040.55 and 1,749.25 is: 2,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.41 : 4,040.55 = 1,749.25 : x
  2. Step 2: Convert to fraction form
    2,928.41/4,040.55 = 1,749.25/x
  3. Step 3: Cross multiply
    2,928.41x = 4,040.55 × 1,749.25
  4. Step 4: Simplify right side
    2,928.41x = 7,067,932.09
  5. Step 5: Solve for x
    x = 7,067,932.09/2,928.41
  6. Step 6: Final answer
    x = 2,413.57

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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.