Home / 5,425.80-8,126.04-4,183.32

Finding the Fourth Proportional to 5,425.80, 8,126.04 and 4,183.32

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Solution

The fourth proportional to 5,425.80, 8,126.04 and 4,183.32 is: 6,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.80 : 8,126.04 = 4,183.32 : x
  2. Step 2: Convert to fraction form
    5,425.80/8,126.04 = 4,183.32/x
  3. Step 3: Cross multiply
    5,425.80x = 8,126.04 × 4,183.32
  4. Step 4: Simplify right side
    5,425.80x = 33,993,825.65
  5. Step 5: Solve for x
    x = 33,993,825.65/5,425.80
  6. Step 6: Final answer
    x = 6,265.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.