Home / 4,930.48-7,397.76-2,740.72

Finding the Fourth Proportional to 4,930.48, 7,397.76 and 2,740.72

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Solution

The fourth proportional to 4,930.48, 7,397.76 and 2,740.72 is: 4,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.48 : 7,397.76 = 2,740.72 : x
  2. Step 2: Convert to fraction form
    4,930.48/7,397.76 = 2,740.72/x
  3. Step 3: Cross multiply
    4,930.48x = 7,397.76 × 2,740.72
  4. Step 4: Simplify right side
    4,930.48x = 20,275,188.79
  5. Step 5: Solve for x
    x = 20,275,188.79/4,930.48
  6. Step 6: Final answer
    x = 4,112.21

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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.