Home / 5,575.24-8,361.42-2,647.72

Finding the Fourth Proportional to 5,575.24, 8,361.42 and 2,647.72

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Solution

The fourth proportional to 5,575.24, 8,361.42 and 2,647.72 is: 3,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.24 : 8,361.42 = 2,647.72 : x
  2. Step 2: Convert to fraction form
    5,575.24/8,361.42 = 2,647.72/x
  3. Step 3: Cross multiply
    5,575.24x = 8,361.42 × 2,647.72
  4. Step 4: Simplify right side
    5,575.24x = 22,138,698.96
  5. Step 5: Solve for x
    x = 22,138,698.96/5,575.24
  6. Step 6: Final answer
    x = 3,970.90

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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.