Home / 5,282.16-7,287.48-3,185.52

Finding the Fourth Proportional to 5,282.16, 7,287.48 and 3,185.52

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Solution

The fourth proportional to 5,282.16, 7,287.48 and 3,185.52 is: 4,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.16 : 7,287.48 = 3,185.52 : x
  2. Step 2: Convert to fraction form
    5,282.16/7,287.48 = 3,185.52/x
  3. Step 3: Cross multiply
    5,282.16x = 7,287.48 × 3,185.52
  4. Step 4: Simplify right side
    5,282.16x = 23,214,413.29
  5. Step 5: Solve for x
    x = 23,214,413.29/5,282.16
  6. Step 6: Final answer
    x = 4,394.87

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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.