Home / 5,780.44-8,661.90-3,825.64

Finding the Fourth Proportional to 5,780.44, 8,661.90 and 3,825.64

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Solution

The fourth proportional to 5,780.44, 8,661.90 and 3,825.64 is: 5,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.44 : 8,661.90 = 3,825.64 : x
  2. Step 2: Convert to fraction form
    5,780.44/8,661.90 = 3,825.64/x
  3. Step 3: Cross multiply
    5,780.44x = 8,661.90 × 3,825.64
  4. Step 4: Simplify right side
    5,780.44x = 33,137,311.12
  5. Step 5: Solve for x
    x = 33,137,311.12/5,780.44
  6. Step 6: Final answer
    x = 5,732.66

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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.