Home / 2,956.31-4,079.25-1,760.93

Finding the Fourth Proportional to 2,956.31, 4,079.25 and 1,760.93

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Solution

The fourth proportional to 2,956.31, 4,079.25 and 1,760.93 is: 2,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.31 : 4,079.25 = 1,760.93 : x
  2. Step 2: Convert to fraction form
    2,956.31/4,079.25 = 1,760.93/x
  3. Step 3: Cross multiply
    2,956.31x = 4,079.25 × 1,760.93
  4. Step 4: Simplify right side
    2,956.31x = 7,183,253.31
  5. Step 5: Solve for x
    x = 7,183,253.31/2,956.31
  6. Step 6: Final answer
    x = 2,429.81

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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.