Home / 5,413.15-7,470.90-3,175.75

Finding the Fourth Proportional to 5,413.15, 7,470.90 and 3,175.75

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Solution

The fourth proportional to 5,413.15, 7,470.90 and 3,175.75 is: 4,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.15 : 7,470.90 = 3,175.75 : x
  2. Step 2: Convert to fraction form
    5,413.15/7,470.90 = 3,175.75/x
  3. Step 3: Cross multiply
    5,413.15x = 7,470.90 × 3,175.75
  4. Step 4: Simplify right side
    5,413.15x = 23,725,710.68
  5. Step 5: Solve for x
    x = 23,725,710.68/5,413.15
  6. Step 6: Final answer
    x = 4,382.98

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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.