Home / 5,101.09-7,652.41-2,761.43

Finding the Fourth Proportional to 5,101.09, 7,652.41 and 2,761.43

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Solution

The fourth proportional to 5,101.09, 7,652.41 and 2,761.43 is: 4,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.09 : 7,652.41 = 2,761.43 : x
  2. Step 2: Convert to fraction form
    5,101.09/7,652.41 = 2,761.43/x
  3. Step 3: Cross multiply
    5,101.09x = 7,652.41 × 2,761.43
  4. Step 4: Simplify right side
    5,101.09x = 21,131,549.38
  5. Step 5: Solve for x
    x = 21,131,549.38/5,101.09
  6. Step 6: Final answer
    x = 4,142.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.