Home / 5,413.90-7,472.60-3,530.16

Finding the Fourth Proportional to 5,413.90, 7,472.60 and 3,530.16

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Solution

The fourth proportional to 5,413.90, 7,472.60 and 3,530.16 is: 4,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.90 : 7,472.60 = 3,530.16 : x
  2. Step 2: Convert to fraction form
    5,413.90/7,472.60 = 3,530.16/x
  3. Step 3: Cross multiply
    5,413.90x = 7,472.60 × 3,530.16
  4. Step 4: Simplify right side
    5,413.90x = 26,379,473.62
  5. Step 5: Solve for x
    x = 26,379,473.62/5,413.90
  6. Step 6: Final answer
    x = 4,872.55

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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.