Home / 4,149.43-6,178.07-4,091.31

Finding the Fourth Proportional to 4,149.43, 6,178.07 and 4,091.31

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Solution

The fourth proportional to 4,149.43, 6,178.07 and 4,091.31 is: 6,091.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.43 : 6,178.07 = 4,091.31 : x
  2. Step 2: Convert to fraction form
    4,149.43/6,178.07 = 4,091.31/x
  3. Step 3: Cross multiply
    4,149.43x = 6,178.07 × 4,091.31
  4. Step 4: Simplify right side
    4,149.43x = 25,276,409.80
  5. Step 5: Solve for x
    x = 25,276,409.80/4,149.43
  6. Step 6: Final answer
    x = 6,091.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.