Home / 5,455.84-8,174.51-3,370.66

Finding the Fourth Proportional to 5,455.84, 8,174.51 and 3,370.66

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Solution

The fourth proportional to 5,455.84, 8,174.51 and 3,370.66 is: 5,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.84 : 8,174.51 = 3,370.66 : x
  2. Step 2: Convert to fraction form
    5,455.84/8,174.51 = 3,370.66/x
  3. Step 3: Cross multiply
    5,455.84x = 8,174.51 × 3,370.66
  4. Step 4: Simplify right side
    5,455.84x = 27,553,493.88
  5. Step 5: Solve for x
    x = 27,553,493.88/5,455.84
  6. Step 6: Final answer
    x = 5,050.28

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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.