Home / 2,917.17-4,025.79-1,658.34

Finding the Fourth Proportional to 2,917.17, 4,025.79 and 1,658.34

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Solution

The fourth proportional to 2,917.17, 4,025.79 and 1,658.34 is: 2,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.17 : 4,025.79 = 1,658.34 : x
  2. Step 2: Convert to fraction form
    2,917.17/4,025.79 = 1,658.34/x
  3. Step 3: Cross multiply
    2,917.17x = 4,025.79 × 1,658.34
  4. Step 4: Simplify right side
    2,917.17x = 6,676,128.59
  5. Step 5: Solve for x
    x = 6,676,128.59/2,917.17
  6. Step 6: Final answer
    x = 2,288.56

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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.