Home / 3,684.30-5,084.43-2,005.77

Finding the Fourth Proportional to 3,684.30, 5,084.43 and 2,005.77

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Solution

The fourth proportional to 3,684.30, 5,084.43 and 2,005.77 is: 2,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.30 : 5,084.43 = 2,005.77 : x
  2. Step 2: Convert to fraction form
    3,684.30/5,084.43 = 2,005.77/x
  3. Step 3: Cross multiply
    3,684.30x = 5,084.43 × 2,005.77
  4. Step 4: Simplify right side
    3,684.30x = 10,198,197.16
  5. Step 5: Solve for x
    x = 10,198,197.16/3,684.30
  6. Step 6: Final answer
    x = 2,768.01

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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.