Home / 3,936.01-5,901.57-2,205.85

Finding the Fourth Proportional to 3,936.01, 5,901.57 and 2,205.85

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Solution

The fourth proportional to 3,936.01, 5,901.57 and 2,205.85 is: 3,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.01 : 5,901.57 = 2,205.85 : x
  2. Step 2: Convert to fraction form
    3,936.01/5,901.57 = 2,205.85/x
  3. Step 3: Cross multiply
    3,936.01x = 5,901.57 × 2,205.85
  4. Step 4: Simplify right side
    3,936.01x = 13,017,978.18
  5. Step 5: Solve for x
    x = 13,017,978.18/3,936.01
  6. Step 6: Final answer
    x = 3,307.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.