Home / 5,931.20-8,185.69-3,413.42

Finding the Fourth Proportional to 5,931.20, 8,185.69 and 3,413.42

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Solution

The fourth proportional to 5,931.20, 8,185.69 and 3,413.42 is: 4,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.20 : 8,185.69 = 3,413.42 : x
  2. Step 2: Convert to fraction form
    5,931.20/8,185.69 = 3,413.42/x
  3. Step 3: Cross multiply
    5,931.20x = 8,185.69 × 3,413.42
  4. Step 4: Simplify right side
    5,931.20x = 27,941,197.96
  5. Step 5: Solve for x
    x = 27,941,197.96/5,931.20
  6. Step 6: Final answer
    x = 4,710.88

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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.