Home / 7,072.56-10,608.51-2,911.53

Finding the Fourth Proportional to 7,072.56, 10,608.51 and 2,911.53

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Solution

The fourth proportional to 7,072.56, 10,608.51 and 2,911.53 is: 4,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.56 : 10,608.51 = 2,911.53 : x
  2. Step 2: Convert to fraction form
    7,072.56/10,608.51 = 2,911.53/x
  3. Step 3: Cross multiply
    7,072.56x = 10,608.51 × 2,911.53
  4. Step 4: Simplify right side
    7,072.56x = 30,886,995.12
  5. Step 5: Solve for x
    x = 30,886,995.12/7,072.56
  6. Step 6: Final answer
    x = 4,367.16

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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.