Home / 4,189.14-5,780.34-2,865.96

Finding the Fourth Proportional to 4,189.14, 5,780.34 and 2,865.96

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Solution

The fourth proportional to 4,189.14, 5,780.34 and 2,865.96 is: 3,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.14 : 5,780.34 = 2,865.96 : x
  2. Step 2: Convert to fraction form
    4,189.14/5,780.34 = 2,865.96/x
  3. Step 3: Cross multiply
    4,189.14x = 5,780.34 × 2,865.96
  4. Step 4: Simplify right side
    4,189.14x = 16,566,223.23
  5. Step 5: Solve for x
    x = 16,566,223.23/4,189.14
  6. Step 6: Final answer
    x = 3,954.56

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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.