Home / 2,451.24-3,677.36-1,425

Finding the Fourth Proportional to 2,451.24, 3,677.36 and 1,425

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Solution

The fourth proportional to 2,451.24, 3,677.36 and 1,425 is: 2,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.24 : 3,677.36 = 1,425 : x
  2. Step 2: Convert to fraction form
    2,451.24/3,677.36 = 1,425/x
  3. Step 3: Cross multiply
    2,451.24x = 3,677.36 × 1,425
  4. Step 4: Simplify right side
    2,451.24x = 5,240,238
  5. Step 5: Solve for x
    x = 5,240,238/2,451.24
  6. Step 6: Final answer
    x = 2,137.79

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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.