Home / 5,413.72-7,470.13-3,288.14

Finding the Fourth Proportional to 5,413.72, 7,470.13 and 3,288.14

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Solution

The fourth proportional to 5,413.72, 7,470.13 and 3,288.14 is: 4,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.72 : 7,470.13 = 3,288.14 : x
  2. Step 2: Convert to fraction form
    5,413.72/7,470.13 = 3,288.14/x
  3. Step 3: Cross multiply
    5,413.72x = 7,470.13 × 3,288.14
  4. Step 4: Simplify right side
    5,413.72x = 24,562,816.82
  5. Step 5: Solve for x
    x = 24,562,816.82/5,413.72
  6. Step 6: Final answer
    x = 4,537.15

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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.