Home / 3,765.26-5,196.40-2,086.90

Finding the Fourth Proportional to 3,765.26, 5,196.40 and 2,086.90

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Solution

The fourth proportional to 3,765.26, 5,196.40 and 2,086.90 is: 2,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.26 : 5,196.40 = 2,086.90 : x
  2. Step 2: Convert to fraction form
    3,765.26/5,196.40 = 2,086.90/x
  3. Step 3: Cross multiply
    3,765.26x = 5,196.40 × 2,086.90
  4. Step 4: Simplify right side
    3,765.26x = 10,844,367.16
  5. Step 5: Solve for x
    x = 10,844,367.16/3,765.26
  6. Step 6: Final answer
    x = 2,880.11

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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.