Home / 1,933.70-2,668.43-1,049.49

Finding the Fourth Proportional to 1,933.70, 2,668.43 and 1,049.49

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Solution

The fourth proportional to 1,933.70, 2,668.43 and 1,049.49 is: 1,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.70 : 2,668.43 = 1,049.49 : x
  2. Step 2: Convert to fraction form
    1,933.70/2,668.43 = 1,049.49/x
  3. Step 3: Cross multiply
    1,933.70x = 2,668.43 × 1,049.49
  4. Step 4: Simplify right side
    1,933.70x = 2,800,493.22
  5. Step 5: Solve for x
    x = 2,800,493.22/1,933.70
  6. Step 6: Final answer
    x = 1,448.25

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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.