Home / 5,413.95-7,471.78-3,289.02

Finding the Fourth Proportional to 5,413.95, 7,471.78 and 3,289.02

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Solution

The fourth proportional to 5,413.95, 7,471.78 and 3,289.02 is: 4,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.95 : 7,471.78 = 3,289.02 : x
  2. Step 2: Convert to fraction form
    5,413.95/7,471.78 = 3,289.02/x
  3. Step 3: Cross multiply
    5,413.95x = 7,471.78 × 3,289.02
  4. Step 4: Simplify right side
    5,413.95x = 24,574,797.61
  5. Step 5: Solve for x
    x = 24,574,797.61/5,413.95
  6. Step 6: Final answer
    x = 4,539.16

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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.