Home / 4,413.19-6,619.79-1,781.89

Finding the Fourth Proportional to 4,413.19, 6,619.79 and 1,781.89

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Solution

The fourth proportional to 4,413.19, 6,619.79 and 1,781.89 is: 2,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.19 : 6,619.79 = 1,781.89 : x
  2. Step 2: Convert to fraction form
    4,413.19/6,619.79 = 1,781.89/x
  3. Step 3: Cross multiply
    4,413.19x = 6,619.79 × 1,781.89
  4. Step 4: Simplify right side
    4,413.19x = 11,795,728.69
  5. Step 5: Solve for x
    x = 11,795,728.69/4,413.19
  6. Step 6: Final answer
    x = 2,672.84

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Similar ratio
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1.5x scale

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.