Home / 3,083.12-4,255.08-2,037.36

Finding the Fourth Proportional to 3,083.12, 4,255.08 and 2,037.36

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Solution

The fourth proportional to 3,083.12, 4,255.08 and 2,037.36 is: 2,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.12 : 4,255.08 = 2,037.36 : x
  2. Step 2: Convert to fraction form
    3,083.12/4,255.08 = 2,037.36/x
  3. Step 3: Cross multiply
    3,083.12x = 4,255.08 × 2,037.36
  4. Step 4: Simplify right side
    3,083.12x = 8,669,129.79
  5. Step 5: Solve for x
    x = 8,669,129.79/3,083.12
  6. Step 6: Final answer
    x = 2,811.80

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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.