Home / 5,455.14-8,181.48-2,167.34

Finding the Fourth Proportional to 5,455.14, 8,181.48 and 2,167.34

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Solution

The fourth proportional to 5,455.14, 8,181.48 and 2,167.34 is: 3,250.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.14 : 8,181.48 = 2,167.34 : x
  2. Step 2: Convert to fraction form
    5,455.14/8,181.48 = 2,167.34/x
  3. Step 3: Cross multiply
    5,455.14x = 8,181.48 × 2,167.34
  4. Step 4: Simplify right side
    5,455.14x = 17,732,048.86
  5. Step 5: Solve for x
    x = 17,732,048.86/5,455.14
  6. Step 6: Final answer
    x = 3,250.52

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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.