Home / 2,786.16-3,853.26-2,436.24

Finding the Fourth Proportional to 2,786.16, 3,853.26 and 2,436.24

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Solution

The fourth proportional to 2,786.16, 3,853.26 and 2,436.24 is: 3,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.16 : 3,853.26 = 2,436.24 : x
  2. Step 2: Convert to fraction form
    2,786.16/3,853.26 = 2,436.24/x
  3. Step 3: Cross multiply
    2,786.16x = 3,853.26 × 2,436.24
  4. Step 4: Simplify right side
    2,786.16x = 9,387,466.14
  5. Step 5: Solve for x
    x = 9,387,466.14/2,786.16
  6. Step 6: Final answer
    x = 3,369.32

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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.