Home / 4,935.15-7,402.82-1,425.42

Finding the Fourth Proportional to 4,935.15, 7,402.82 and 1,425.42

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Solution

The fourth proportional to 4,935.15, 7,402.82 and 1,425.42 is: 2,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.15 : 7,402.82 = 1,425.42 : x
  2. Step 2: Convert to fraction form
    4,935.15/7,402.82 = 1,425.42/x
  3. Step 3: Cross multiply
    4,935.15x = 7,402.82 × 1,425.42
  4. Step 4: Simplify right side
    4,935.15x = 10,552,120.56
  5. Step 5: Solve for x
    x = 10,552,120.56/4,935.15
  6. Step 6: Final answer
    x = 2,138.16

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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.