Home / 2,042.66-2,819.51-1,203.30

Finding the Fourth Proportional to 2,042.66, 2,819.51 and 1,203.30

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Solution

The fourth proportional to 2,042.66, 2,819.51 and 1,203.30 is: 1,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.66 : 2,819.51 = 1,203.30 : x
  2. Step 2: Convert to fraction form
    2,042.66/2,819.51 = 1,203.30/x
  3. Step 3: Cross multiply
    2,042.66x = 2,819.51 × 1,203.30
  4. Step 4: Simplify right side
    2,042.66x = 3,392,716.38
  5. Step 5: Solve for x
    x = 3,392,716.38/2,042.66
  6. Step 6: Final answer
    x = 1,660.93

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1.5x scale

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.