Home / 2,678.26-3,696.18-1,499.44

Finding the Fourth Proportional to 2,678.26, 3,696.18 and 1,499.44

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Solution

The fourth proportional to 2,678.26, 3,696.18 and 1,499.44 is: 2,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.26 : 3,696.18 = 1,499.44 : x
  2. Step 2: Convert to fraction form
    2,678.26/3,696.18 = 1,499.44/x
  3. Step 3: Cross multiply
    2,678.26x = 3,696.18 × 1,499.44
  4. Step 4: Simplify right side
    2,678.26x = 5,542,200.14
  5. Step 5: Solve for x
    x = 5,542,200.14/2,678.26
  6. Step 6: Final answer
    x = 2,069.33

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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.