Home / 1,936.36-2,671.14-1,345.87

Finding the Fourth Proportional to 1,936.36, 2,671.14 and 1,345.87

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Solution

The fourth proportional to 1,936.36, 2,671.14 and 1,345.87 is: 1,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.36 : 2,671.14 = 1,345.87 : x
  2. Step 2: Convert to fraction form
    1,936.36/2,671.14 = 1,345.87/x
  3. Step 3: Cross multiply
    1,936.36x = 2,671.14 × 1,345.87
  4. Step 4: Simplify right side
    1,936.36x = 3,595,007.19
  5. Step 5: Solve for x
    x = 3,595,007.19/1,936.36
  6. Step 6: Final answer
    x = 1,856.58

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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.