Home / 5,825.42-8,039.21-3,172.83

Finding the Fourth Proportional to 5,825.42, 8,039.21 and 3,172.83

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Solution

The fourth proportional to 5,825.42, 8,039.21 and 3,172.83 is: 4,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.42 : 8,039.21 = 3,172.83 : x
  2. Step 2: Convert to fraction form
    5,825.42/8,039.21 = 3,172.83/x
  3. Step 3: Cross multiply
    5,825.42x = 8,039.21 × 3,172.83
  4. Step 4: Simplify right side
    5,825.42x = 25,507,046.66
  5. Step 5: Solve for x
    x = 25,507,046.66/5,825.42
  6. Step 6: Final answer
    x = 4,378.58

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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.