Home / 2,696.52-4,040.66-1,815.77

Finding the Fourth Proportional to 2,696.52, 4,040.66 and 1,815.77

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Solution

The fourth proportional to 2,696.52, 4,040.66 and 1,815.77 is: 2,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.52 : 4,040.66 = 1,815.77 : x
  2. Step 2: Convert to fraction form
    2,696.52/4,040.66 = 1,815.77/x
  3. Step 3: Cross multiply
    2,696.52x = 4,040.66 × 1,815.77
  4. Step 4: Simplify right side
    2,696.52x = 7,336,909.21
  5. Step 5: Solve for x
    x = 7,336,909.21/2,696.52
  6. Step 6: Final answer
    x = 2,720.88

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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.