Home / 4,413.09-6,619.70-1,947.39

Finding the Fourth Proportional to 4,413.09, 6,619.70 and 1,947.39

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Solution

The fourth proportional to 4,413.09, 6,619.70 and 1,947.39 is: 2,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,413.09 : 6,619.70 = 1,947.39 : x
  2. Step 2: Convert to fraction form
    4,413.09/6,619.70 = 1,947.39/x
  3. Step 3: Cross multiply
    4,413.09x = 6,619.70 × 1,947.39
  4. Step 4: Simplify right side
    4,413.09x = 12,891,127.85
  5. Step 5: Solve for x
    x = 12,891,127.85/4,413.09
  6. Step 6: Final answer
    x = 2,921.11

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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.