Home / 2,093.15-3,135.54-1,259.76

Finding the Fourth Proportional to 2,093.15, 3,135.54 and 1,259.76

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Solution

The fourth proportional to 2,093.15, 3,135.54 and 1,259.76 is: 1,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.15 : 3,135.54 = 1,259.76 : x
  2. Step 2: Convert to fraction form
    2,093.15/3,135.54 = 1,259.76/x
  3. Step 3: Cross multiply
    2,093.15x = 3,135.54 × 1,259.76
  4. Step 4: Simplify right side
    2,093.15x = 3,950,027.87
  5. Step 5: Solve for x
    x = 3,950,027.87/2,093.15
  6. Step 6: Final answer
    x = 1,887.12

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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.