Home / 1,933.19-2,668.26-1,147.69

Finding the Fourth Proportional to 1,933.19, 2,668.26 and 1,147.69

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Solution

The fourth proportional to 1,933.19, 2,668.26 and 1,147.69 is: 1,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.19 : 2,668.26 = 1,147.69 : x
  2. Step 2: Convert to fraction form
    1,933.19/2,668.26 = 1,147.69/x
  3. Step 3: Cross multiply
    1,933.19x = 2,668.26 × 1,147.69
  4. Step 4: Simplify right side
    1,933.19x = 3,062,335.32
  5. Step 5: Solve for x
    x = 3,062,335.32/1,933.19
  6. Step 6: Final answer
    x = 1,584.08

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Half scale
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Double scale
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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.