Home / 5,923.24-8,174.37-3,930.40

Finding the Fourth Proportional to 5,923.24, 8,174.37 and 3,930.40

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Solution

The fourth proportional to 5,923.24, 8,174.37 and 3,930.40 is: 5,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.24 : 8,174.37 = 3,930.40 : x
  2. Step 2: Convert to fraction form
    5,923.24/8,174.37 = 3,930.40/x
  3. Step 3: Cross multiply
    5,923.24x = 8,174.37 × 3,930.40
  4. Step 4: Simplify right side
    5,923.24x = 32,128,543.85
  5. Step 5: Solve for x
    x = 32,128,543.85/5,923.24
  6. Step 6: Final answer
    x = 5,424.15

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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.