Home / 2,786.05-3,844.97-1,591.40

Finding the Fourth Proportional to 2,786.05, 3,844.97 and 1,591.40

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Solution

The fourth proportional to 2,786.05, 3,844.97 and 1,591.40 is: 2,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.05 : 3,844.97 = 1,591.40 : x
  2. Step 2: Convert to fraction form
    2,786.05/3,844.97 = 1,591.40/x
  3. Step 3: Cross multiply
    2,786.05x = 3,844.97 × 1,591.40
  4. Step 4: Simplify right side
    2,786.05x = 6,118,885.26
  5. Step 5: Solve for x
    x = 6,118,885.26/2,786.05
  6. Step 6: Final answer
    x = 2,196.26

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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.