Home / 5,886.14-8,121.26-3,791.48

Finding the Fourth Proportional to 5,886.14, 8,121.26 and 3,791.48

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Solution

The fourth proportional to 5,886.14, 8,121.26 and 3,791.48 is: 5,231.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,886.14 : 8,121.26 = 3,791.48 : x
  2. Step 2: Convert to fraction form
    5,886.14/8,121.26 = 3,791.48/x
  3. Step 3: Cross multiply
    5,886.14x = 8,121.26 × 3,791.48
  4. Step 4: Simplify right side
    5,886.14x = 30,791,563.74
  5. Step 5: Solve for x
    x = 30,791,563.74/5,886.14
  6. Step 6: Final answer
    x = 5,231.20

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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.