Home / 2,059.35-3,090.26-1,891.86

Finding the Fourth Proportional to 2,059.35, 3,090.26 and 1,891.86

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Solution

The fourth proportional to 2,059.35, 3,090.26 and 1,891.86 is: 2,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.35 : 3,090.26 = 1,891.86 : x
  2. Step 2: Convert to fraction form
    2,059.35/3,090.26 = 1,891.86/x
  3. Step 3: Cross multiply
    2,059.35x = 3,090.26 × 1,891.86
  4. Step 4: Simplify right side
    2,059.35x = 5,846,323.11
  5. Step 5: Solve for x
    x = 5,846,323.11/2,059.35
  6. Step 6: Final answer
    x = 2,838.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.