Home / 2,786.10-3,844.44-1,792.71

Finding the Fourth Proportional to 2,786.10, 3,844.44 and 1,792.71

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Solution

The fourth proportional to 2,786.10, 3,844.44 and 1,792.71 is: 2,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.10 : 3,844.44 = 1,792.71 : x
  2. Step 2: Convert to fraction form
    2,786.10/3,844.44 = 1,792.71/x
  3. Step 3: Cross multiply
    2,786.10x = 3,844.44 × 1,792.71
  4. Step 4: Simplify right side
    2,786.10x = 6,891,966.03
  5. Step 5: Solve for x
    x = 6,891,966.03/2,786.10
  6. Step 6: Final answer
    x = 2,473.70

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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.