Home / 5,923.40-8,174.16-3,270.78

Finding the Fourth Proportional to 5,923.40, 8,174.16 and 3,270.78

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Solution

The fourth proportional to 5,923.40, 8,174.16 and 3,270.78 is: 4,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.40 : 8,174.16 = 3,270.78 : x
  2. Step 2: Convert to fraction form
    5,923.40/8,174.16 = 3,270.78/x
  3. Step 3: Cross multiply
    5,923.40x = 8,174.16 × 3,270.78
  4. Step 4: Simplify right side
    5,923.40x = 26,735,879.04
  5. Step 5: Solve for x
    x = 26,735,879.04/5,923.40
  6. Step 6: Final answer
    x = 4,513.61

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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.