Home / 1,934.99-2,668.96-1,236.05

Finding the Fourth Proportional to 1,934.99, 2,668.96 and 1,236.05

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Solution

The fourth proportional to 1,934.99, 2,668.96 and 1,236.05 is: 1,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.99 : 2,668.96 = 1,236.05 : x
  2. Step 2: Convert to fraction form
    1,934.99/2,668.96 = 1,236.05/x
  3. Step 3: Cross multiply
    1,934.99x = 2,668.96 × 1,236.05
  4. Step 4: Simplify right side
    1,934.99x = 3,298,968.01
  5. Step 5: Solve for x
    x = 3,298,968.01/1,934.99
  6. Step 6: Final answer
    x = 1,704.90

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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.