Home / 1,917.19-2,876.46-943.97

Finding the Fourth Proportional to 1,917.19, 2,876.46 and 943.97

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Solution

The fourth proportional to 1,917.19, 2,876.46 and 943.97 is: 1,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917.19 : 2,876.46 = 943.97 : x
  2. Step 2: Convert to fraction form
    1,917.19/2,876.46 = 943.97/x
  3. Step 3: Cross multiply
    1,917.19x = 2,876.46 × 943.97
  4. Step 4: Simplify right side
    1,917.19x = 2,715,295.60
  5. Step 5: Solve for x
    x = 2,715,295.60/1,917.19
  6. Step 6: Final answer
    x = 1,416.29

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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.