Home / 2,917.83-4,025.88-1,722.84

Finding the Fourth Proportional to 2,917.83, 4,025.88 and 1,722.84

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Solution

The fourth proportional to 2,917.83, 4,025.88 and 1,722.84 is: 2,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.83 : 4,025.88 = 1,722.84 : x
  2. Step 2: Convert to fraction form
    2,917.83/4,025.88 = 1,722.84/x
  3. Step 3: Cross multiply
    2,917.83x = 4,025.88 × 1,722.84
  4. Step 4: Simplify right side
    2,917.83x = 6,935,947.10
  5. Step 5: Solve for x
    x = 6,935,947.10/2,917.83
  6. Step 6: Final answer
    x = 2,377.09

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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.