Home / 3,460.26-5,190.38-1,151.76

Finding the Fourth Proportional to 3,460.26, 5,190.38 and 1,151.76

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Solution

The fourth proportional to 3,460.26, 5,190.38 and 1,151.76 is: 1,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.26 : 5,190.38 = 1,151.76 : x
  2. Step 2: Convert to fraction form
    3,460.26/5,190.38 = 1,151.76/x
  3. Step 3: Cross multiply
    3,460.26x = 5,190.38 × 1,151.76
  4. Step 4: Simplify right side
    3,460.26x = 5,978,072.07
  5. Step 5: Solve for x
    x = 5,978,072.07/3,460.26
  6. Step 6: Final answer
    x = 1,727.64

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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.