Home / 2,512.56-3,769.08-1,052.16

Finding the Fourth Proportional to 2,512.56, 3,769.08 and 1,052.16

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Solution

The fourth proportional to 2,512.56, 3,769.08 and 1,052.16 is: 1,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.56 : 3,769.08 = 1,052.16 : x
  2. Step 2: Convert to fraction form
    2,512.56/3,769.08 = 1,052.16/x
  3. Step 3: Cross multiply
    2,512.56x = 3,769.08 × 1,052.16
  4. Step 4: Simplify right side
    2,512.56x = 3,965,675.21
  5. Step 5: Solve for x
    x = 3,965,675.21/2,512.56
  6. Step 6: Final answer
    x = 1,578.34

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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.