Home / 2,814.97-3,884.65-1,636.27

Finding the Fourth Proportional to 2,814.97, 3,884.65 and 1,636.27

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Solution

The fourth proportional to 2,814.97, 3,884.65 and 1,636.27 is: 2,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.97 : 3,884.65 = 1,636.27 : x
  2. Step 2: Convert to fraction form
    2,814.97/3,884.65 = 1,636.27/x
  3. Step 3: Cross multiply
    2,814.97x = 3,884.65 × 1,636.27
  4. Step 4: Simplify right side
    2,814.97x = 6,356,336.26
  5. Step 5: Solve for x
    x = 6,356,336.26/2,814.97
  6. Step 6: Final answer
    x = 2,258.05

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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.