Home / 5,413.25-7,473.73-4,420.90

Finding the Fourth Proportional to 5,413.25, 7,473.73 and 4,420.90

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Solution

The fourth proportional to 5,413.25, 7,473.73 and 4,420.90 is: 6,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.25 : 7,473.73 = 4,420.90 : x
  2. Step 2: Convert to fraction form
    5,413.25/7,473.73 = 4,420.90/x
  3. Step 3: Cross multiply
    5,413.25x = 7,473.73 × 4,420.90
  4. Step 4: Simplify right side
    5,413.25x = 33,040,612.96
  5. Step 5: Solve for x
    x = 33,040,612.96/5,413.25
  6. Step 6: Final answer
    x = 6,103.66

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1.5x scale

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.