Home / 3,174.03-4,379.81-1,847.61

Finding the Fourth Proportional to 3,174.03, 4,379.81 and 1,847.61

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Solution

The fourth proportional to 3,174.03, 4,379.81 and 1,847.61 is: 2,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.03 : 4,379.81 = 1,847.61 : x
  2. Step 2: Convert to fraction form
    3,174.03/4,379.81 = 1,847.61/x
  3. Step 3: Cross multiply
    3,174.03x = 4,379.81 × 1,847.61
  4. Step 4: Simplify right side
    3,174.03x = 8,092,171.52
  5. Step 5: Solve for x
    x = 8,092,171.52/3,174.03
  6. Step 6: Final answer
    x = 2,549.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.