Home / 3,083.09-4,253.66-1,886.83

Finding the Fourth Proportional to 3,083.09, 4,253.66 and 1,886.83

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Solution

The fourth proportional to 3,083.09, 4,253.66 and 1,886.83 is: 2,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.09 : 4,253.66 = 1,886.83 : x
  2. Step 2: Convert to fraction form
    3,083.09/4,253.66 = 1,886.83/x
  3. Step 3: Cross multiply
    3,083.09x = 4,253.66 × 1,886.83
  4. Step 4: Simplify right side
    3,083.09x = 8,025,936.26
  5. Step 5: Solve for x
    x = 8,025,936.26/3,083.09
  6. Step 6: Final answer
    x = 2,603.21

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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.