Home / 2,956.24-4,078.32-1,776.63

Finding the Fourth Proportional to 2,956.24, 4,078.32 and 1,776.63

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Solution

The fourth proportional to 2,956.24, 4,078.32 and 1,776.63 is: 2,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.24 : 4,078.32 = 1,776.63 : x
  2. Step 2: Convert to fraction form
    2,956.24/4,078.32 = 1,776.63/x
  3. Step 3: Cross multiply
    2,956.24x = 4,078.32 × 1,776.63
  4. Step 4: Simplify right side
    2,956.24x = 7,245,665.66
  5. Step 5: Solve for x
    x = 7,245,665.66/2,956.24
  6. Step 6: Final answer
    x = 2,450.97

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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.