Home / 5,413.74-7,475.19-4,152.79

Finding the Fourth Proportional to 5,413.74, 7,475.19 and 4,152.79

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Solution

The fourth proportional to 5,413.74, 7,475.19 and 4,152.79 is: 5,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.74 : 7,475.19 = 4,152.79 : x
  2. Step 2: Convert to fraction form
    5,413.74/7,475.19 = 4,152.79/x
  3. Step 3: Cross multiply
    5,413.74x = 7,475.19 × 4,152.79
  4. Step 4: Simplify right side
    5,413.74x = 31,042,909.08
  5. Step 5: Solve for x
    x = 31,042,909.08/5,413.74
  6. Step 6: Final answer
    x = 5,734.10

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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.