Home / 4,143.63-5,720.33-3,197.30

Finding the Fourth Proportional to 4,143.63, 5,720.33 and 3,197.30

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Solution

The fourth proportional to 4,143.63, 5,720.33 and 3,197.30 is: 4,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.63 : 5,720.33 = 3,197.30 : x
  2. Step 2: Convert to fraction form
    4,143.63/5,720.33 = 3,197.30/x
  3. Step 3: Cross multiply
    4,143.63x = 5,720.33 × 3,197.30
  4. Step 4: Simplify right side
    4,143.63x = 18,289,611.11
  5. Step 5: Solve for x
    x = 18,289,611.11/4,143.63
  6. Step 6: Final answer
    x = 4,413.91

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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.