Home / 3,043.68-4,201.20-1,865.28

Finding the Fourth Proportional to 3,043.68, 4,201.20 and 1,865.28

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Solution

The fourth proportional to 3,043.68, 4,201.20 and 1,865.28 is: 2,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.68 : 4,201.20 = 1,865.28 : x
  2. Step 2: Convert to fraction form
    3,043.68/4,201.20 = 1,865.28/x
  3. Step 3: Cross multiply
    3,043.68x = 4,201.20 × 1,865.28
  4. Step 4: Simplify right side
    3,043.68x = 7,836,414.34
  5. Step 5: Solve for x
    x = 7,836,414.34/3,043.68
  6. Step 6: Final answer
    x = 2,574.65

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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.