Home / 5,169.96-7,134.84-3,494.70

Finding the Fourth Proportional to 5,169.96, 7,134.84 and 3,494.70

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Solution

The fourth proportional to 5,169.96, 7,134.84 and 3,494.70 is: 4,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.96 : 7,134.84 = 3,494.70 : x
  2. Step 2: Convert to fraction form
    5,169.96/7,134.84 = 3,494.70/x
  3. Step 3: Cross multiply
    5,169.96x = 7,134.84 × 3,494.70
  4. Step 4: Simplify right side
    5,169.96x = 24,934,125.35
  5. Step 5: Solve for x
    x = 24,934,125.35/5,169.96
  6. Step 6: Final answer
    x = 4,822.89

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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.