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Finding the Fourth Proportional to 4,998.69, 6,897.86 and 2,760.43

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Solution

The fourth proportional to 4,998.69, 6,897.86 and 2,760.43 is: 3,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.69 : 6,897.86 = 2,760.43 : x
  2. Step 2: Convert to fraction form
    4,998.69/6,897.86 = 2,760.43/x
  3. Step 3: Cross multiply
    4,998.69x = 6,897.86 × 2,760.43
  4. Step 4: Simplify right side
    4,998.69x = 19,041,049.34
  5. Step 5: Solve for x
    x = 19,041,049.34/4,998.69
  6. Step 6: Final answer
    x = 3,809.21

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1.5x scale

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.