Home / 4,760.20-7,172.80-3,913.48

Finding the Fourth Proportional to 4,760.20, 7,172.80 and 3,913.48

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Solution

The fourth proportional to 4,760.20, 7,172.80 and 3,913.48 is: 5,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.20 : 7,172.80 = 3,913.48 : x
  2. Step 2: Convert to fraction form
    4,760.20/7,172.80 = 3,913.48/x
  3. Step 3: Cross multiply
    4,760.20x = 7,172.80 × 3,913.48
  4. Step 4: Simplify right side
    4,760.20x = 28,070,609.34
  5. Step 5: Solve for x
    x = 28,070,609.34/4,760.20
  6. Step 6: Final answer
    x = 5,896.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.