Home / 7,160.94-10,741.83-2,231.28

Finding the Fourth Proportional to 7,160.94, 10,741.83 and 2,231.28

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Solution

The fourth proportional to 7,160.94, 10,741.83 and 2,231.28 is: 3,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.94 : 10,741.83 = 2,231.28 : x
  2. Step 2: Convert to fraction form
    7,160.94/10,741.83 = 2,231.28/x
  3. Step 3: Cross multiply
    7,160.94x = 10,741.83 × 2,231.28
  4. Step 4: Simplify right side
    7,160.94x = 23,968,030.44
  5. Step 5: Solve for x
    x = 23,968,030.44/7,160.94
  6. Step 6: Final answer
    x = 3,347.05

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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.