Home / 3,033.14-4,183.50-1,985.40

Finding the Fourth Proportional to 3,033.14, 4,183.50 and 1,985.40

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Solution

The fourth proportional to 3,033.14, 4,183.50 and 1,985.40 is: 2,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.14 : 4,183.50 = 1,985.40 : x
  2. Step 2: Convert to fraction form
    3,033.14/4,183.50 = 1,985.40/x
  3. Step 3: Cross multiply
    3,033.14x = 4,183.50 × 1,985.40
  4. Step 4: Simplify right side
    3,033.14x = 8,305,920.90
  5. Step 5: Solve for x
    x = 8,305,920.90/3,033.14
  6. Step 6: Final answer
    x = 2,738.39

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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.