Home / 5,072.16-7,609.68-2,608.76

Finding the Fourth Proportional to 5,072.16, 7,609.68 and 2,608.76

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Solution

The fourth proportional to 5,072.16, 7,609.68 and 2,608.76 is: 3,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.16 : 7,609.68 = 2,608.76 : x
  2. Step 2: Convert to fraction form
    5,072.16/7,609.68 = 2,608.76/x
  3. Step 3: Cross multiply
    5,072.16x = 7,609.68 × 2,608.76
  4. Step 4: Simplify right side
    5,072.16x = 19,851,828.80
  5. Step 5: Solve for x
    x = 19,851,828.80/5,072.16
  6. Step 6: Final answer
    x = 3,913.88

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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.