Home / 3,149.33-4,342.50-2,013.48

Finding the Fourth Proportional to 3,149.33, 4,342.50 and 2,013.48

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Solution

The fourth proportional to 3,149.33, 4,342.50 and 2,013.48 is: 2,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.33 : 4,342.50 = 2,013.48 : x
  2. Step 2: Convert to fraction form
    3,149.33/4,342.50 = 2,013.48/x
  3. Step 3: Cross multiply
    3,149.33x = 4,342.50 × 2,013.48
  4. Step 4: Simplify right side
    3,149.33x = 8,743,536.90
  5. Step 5: Solve for x
    x = 8,743,536.90/3,149.33
  6. Step 6: Final answer
    x = 2,776.32

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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.