Home / 3,923.10-5,413.53-2,329.63

Finding the Fourth Proportional to 3,923.10, 5,413.53 and 2,329.63

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Solution

The fourth proportional to 3,923.10, 5,413.53 and 2,329.63 is: 3,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.10 : 5,413.53 = 2,329.63 : x
  2. Step 2: Convert to fraction form
    3,923.10/5,413.53 = 2,329.63/x
  3. Step 3: Cross multiply
    3,923.10x = 5,413.53 × 2,329.63
  4. Step 4: Simplify right side
    3,923.10x = 12,611,517.10
  5. Step 5: Solve for x
    x = 12,611,517.10/3,923.10
  6. Step 6: Final answer
    x = 3,214.68

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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.