Home / 5,174.96-7,134.90-4,229.70

Finding the Fourth Proportional to 5,174.96, 7,134.90 and 4,229.70

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Solution

The fourth proportional to 5,174.96, 7,134.90 and 4,229.70 is: 5,831.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.96 : 7,134.90 = 4,229.70 : x
  2. Step 2: Convert to fraction form
    5,174.96/7,134.90 = 4,229.70/x
  3. Step 3: Cross multiply
    5,174.96x = 7,134.90 × 4,229.70
  4. Step 4: Simplify right side
    5,174.96x = 30,178,486.53
  5. Step 5: Solve for x
    x = 30,178,486.53/5,174.96
  6. Step 6: Final answer
    x = 5,831.64

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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.