Home / 2,093.26-3,140.36-1,215.52

Finding the Fourth Proportional to 2,093.26, 3,140.36 and 1,215.52

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Solution

The fourth proportional to 2,093.26, 3,140.36 and 1,215.52 is: 1,823.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.26 : 3,140.36 = 1,215.52 : x
  2. Step 2: Convert to fraction form
    2,093.26/3,140.36 = 1,215.52/x
  3. Step 3: Cross multiply
    2,093.26x = 3,140.36 × 1,215.52
  4. Step 4: Simplify right side
    2,093.26x = 3,817,170.39
  5. Step 5: Solve for x
    x = 3,817,170.39/2,093.26
  6. Step 6: Final answer
    x = 1,823.55

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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.