Home / 5,238.21-7,231.29-3,537.15

Finding the Fourth Proportional to 5,238.21, 7,231.29 and 3,537.15

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Solution

The fourth proportional to 5,238.21, 7,231.29 and 3,537.15 is: 4,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.21 : 7,231.29 = 3,537.15 : x
  2. Step 2: Convert to fraction form
    5,238.21/7,231.29 = 3,537.15/x
  3. Step 3: Cross multiply
    5,238.21x = 7,231.29 × 3,537.15
  4. Step 4: Simplify right side
    5,238.21x = 25,578,157.42
  5. Step 5: Solve for x
    x = 25,578,157.42/5,238.21
  6. Step 6: Final answer
    x = 4,883.00

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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.