Home / 2,977.22-4,108.78-1,651.04

Finding the Fourth Proportional to 2,977.22, 4,108.78 and 1,651.04

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Solution

The fourth proportional to 2,977.22, 4,108.78 and 1,651.04 is: 2,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.22 : 4,108.78 = 1,651.04 : x
  2. Step 2: Convert to fraction form
    2,977.22/4,108.78 = 1,651.04/x
  3. Step 3: Cross multiply
    2,977.22x = 4,108.78 × 1,651.04
  4. Step 4: Simplify right side
    2,977.22x = 6,783,760.13
  5. Step 5: Solve for x
    x = 6,783,760.13/2,977.22
  6. Step 6: Final answer
    x = 2,278.56

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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.