Home / 2,467.11-3,700.70-1,378.40

Finding the Fourth Proportional to 2,467.11, 3,700.70 and 1,378.40

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Solution

The fourth proportional to 2,467.11, 3,700.70 and 1,378.40 is: 2,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,467.11 : 3,700.70 = 1,378.40 : x
  2. Step 2: Convert to fraction form
    2,467.11/3,700.70 = 1,378.40/x
  3. Step 3: Cross multiply
    2,467.11x = 3,700.70 × 1,378.40
  4. Step 4: Simplify right side
    2,467.11x = 5,101,037.99
  5. Step 5: Solve for x
    x = 5,101,037.99/2,467.11
  6. Step 6: Final answer
    x = 2,067.62

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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.