Home / 5,238.07-7,229.57-3,001.43

Finding the Fourth Proportional to 5,238.07, 7,229.57 and 3,001.43

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Solution

The fourth proportional to 5,238.07, 7,229.57 and 3,001.43 is: 4,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.07 : 7,229.57 = 3,001.43 : x
  2. Step 2: Convert to fraction form
    5,238.07/7,229.57 = 3,001.43/x
  3. Step 3: Cross multiply
    5,238.07x = 7,229.57 × 3,001.43
  4. Step 4: Simplify right side
    5,238.07x = 21,699,051.35
  5. Step 5: Solve for x
    x = 21,699,051.35/5,238.07
  6. Step 6: Final answer
    x = 4,142.57

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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.