Home / 2,845.11-3,926.39-1,586.27

Finding the Fourth Proportional to 2,845.11, 3,926.39 and 1,586.27

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Solution

The fourth proportional to 2,845.11, 3,926.39 and 1,586.27 is: 2,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.11 : 3,926.39 = 1,586.27 : x
  2. Step 2: Convert to fraction form
    2,845.11/3,926.39 = 1,586.27/x
  3. Step 3: Cross multiply
    2,845.11x = 3,926.39 × 1,586.27
  4. Step 4: Simplify right side
    2,845.11x = 6,228,295.03
  5. Step 5: Solve for x
    x = 6,228,295.03/2,845.11
  6. Step 6: Final answer
    x = 2,189.12

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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.