Home / 5,563.91-7,678.37-3,174.23

Finding the Fourth Proportional to 5,563.91, 7,678.37 and 3,174.23

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Solution

The fourth proportional to 5,563.91, 7,678.37 and 3,174.23 is: 4,380.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.91 : 7,678.37 = 3,174.23 : x
  2. Step 2: Convert to fraction form
    5,563.91/7,678.37 = 3,174.23/x
  3. Step 3: Cross multiply
    5,563.91x = 7,678.37 × 3,174.23
  4. Step 4: Simplify right side
    5,563.91x = 24,372,939.54
  5. Step 5: Solve for x
    x = 24,372,939.54/5,563.91
  6. Step 6: Final answer
    x = 4,380.54

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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.