Home / 5,125.97-7,072.27-3,134.45

Finding the Fourth Proportional to 5,125.97, 7,072.27 and 3,134.45

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Solution

The fourth proportional to 5,125.97, 7,072.27 and 3,134.45 is: 4,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.97 : 7,072.27 = 3,134.45 : x
  2. Step 2: Convert to fraction form
    5,125.97/7,072.27 = 3,134.45/x
  3. Step 3: Cross multiply
    5,125.97x = 7,072.27 × 3,134.45
  4. Step 4: Simplify right side
    5,125.97x = 22,167,686.55
  5. Step 5: Solve for x
    x = 22,167,686.55/5,125.97
  6. Step 6: Final answer
    x = 4,324.58

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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.