Home / 5,149.14-7,106.85-3,052.86

Finding the Fourth Proportional to 5,149.14, 7,106.85 and 3,052.86

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Solution

The fourth proportional to 5,149.14, 7,106.85 and 3,052.86 is: 4,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.14 : 7,106.85 = 3,052.86 : x
  2. Step 2: Convert to fraction form
    5,149.14/7,106.85 = 3,052.86/x
  3. Step 3: Cross multiply
    5,149.14x = 7,106.85 × 3,052.86
  4. Step 4: Simplify right side
    5,149.14x = 21,696,218.09
  5. Step 5: Solve for x
    x = 21,696,218.09/5,149.14
  6. Step 6: Final answer
    x = 4,213.56

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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.