Home / 5,825.72-8,039.41-3,173.12

Finding the Fourth Proportional to 5,825.72, 8,039.41 and 3,173.12

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Solution

The fourth proportional to 5,825.72, 8,039.41 and 3,173.12 is: 4,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.72 : 8,039.41 = 3,173.12 : x
  2. Step 2: Convert to fraction form
    5,825.72/8,039.41 = 3,173.12/x
  3. Step 3: Cross multiply
    5,825.72x = 8,039.41 × 3,173.12
  4. Step 4: Simplify right side
    5,825.72x = 25,510,042.13
  5. Step 5: Solve for x
    x = 25,510,042.13/5,825.72
  6. Step 6: Final answer
    x = 4,378.87

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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.