Home / 3,083.14-4,254.96-1,903.78

Finding the Fourth Proportional to 3,083.14, 4,254.96 and 1,903.78

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Solution

The fourth proportional to 3,083.14, 4,254.96 and 1,903.78 is: 2,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.14 : 4,254.96 = 1,903.78 : x
  2. Step 2: Convert to fraction form
    3,083.14/4,254.96 = 1,903.78/x
  3. Step 3: Cross multiply
    3,083.14x = 4,254.96 × 1,903.78
  4. Step 4: Simplify right side
    3,083.14x = 8,100,507.75
  5. Step 5: Solve for x
    x = 8,100,507.75/3,083.14
  6. Step 6: Final answer
    x = 2,627.36

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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.