Home / 2,917.10-4,370.79-2,049.86

Finding the Fourth Proportional to 2,917.10, 4,370.79 and 2,049.86

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Solution

The fourth proportional to 2,917.10, 4,370.79 and 2,049.86 is: 3,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.10 : 4,370.79 = 2,049.86 : x
  2. Step 2: Convert to fraction form
    2,917.10/4,370.79 = 2,049.86/x
  3. Step 3: Cross multiply
    2,917.10x = 4,370.79 × 2,049.86
  4. Step 4: Simplify right side
    2,917.10x = 8,959,507.59
  5. Step 5: Solve for x
    x = 8,959,507.59/2,917.10
  6. Step 6: Final answer
    x = 3,071.37

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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.