Home / 1,819.76-2,511.14-1,073.66

Finding the Fourth Proportional to 1,819.76, 2,511.14 and 1,073.66

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Solution

The fourth proportional to 1,819.76, 2,511.14 and 1,073.66 is: 1,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.76 : 2,511.14 = 1,073.66 : x
  2. Step 2: Convert to fraction form
    1,819.76/2,511.14 = 1,073.66/x
  3. Step 3: Cross multiply
    1,819.76x = 2,511.14 × 1,073.66
  4. Step 4: Simplify right side
    1,819.76x = 2,696,110.57
  5. Step 5: Solve for x
    x = 2,696,110.57/1,819.76
  6. Step 6: Final answer
    x = 1,481.57

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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.