Home / 5,745.40-8,622.42-3,892.12

Finding the Fourth Proportional to 5,745.40, 8,622.42 and 3,892.12

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Solution

The fourth proportional to 5,745.40, 8,622.42 and 3,892.12 is: 5,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.40 : 8,622.42 = 3,892.12 : x
  2. Step 2: Convert to fraction form
    5,745.40/8,622.42 = 3,892.12/x
  3. Step 3: Cross multiply
    5,745.40x = 8,622.42 × 3,892.12
  4. Step 4: Simplify right side
    5,745.40x = 33,559,493.33
  5. Step 5: Solve for x
    x = 33,559,493.33/5,745.40
  6. Step 6: Final answer
    x = 5,841.11

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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.