Home / 6,913.72-9,541.05-3,769.90

Finding the Fourth Proportional to 6,913.72, 9,541.05 and 3,769.90

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Solution

The fourth proportional to 6,913.72, 9,541.05 and 3,769.90 is: 5,202.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.72 : 9,541.05 = 3,769.90 : x
  2. Step 2: Convert to fraction form
    6,913.72/9,541.05 = 3,769.90/x
  3. Step 3: Cross multiply
    6,913.72x = 9,541.05 × 3,769.90
  4. Step 4: Simplify right side
    6,913.72x = 35,968,804.40
  5. Step 5: Solve for x
    x = 35,968,804.40/6,913.72
  6. Step 6: Final answer
    x = 5,202.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.