Home / 5,520.88-7,618.48-3,002.97

Finding the Fourth Proportional to 5,520.88, 7,618.48 and 3,002.97

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Solution

The fourth proportional to 5,520.88, 7,618.48 and 3,002.97 is: 4,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.88 : 7,618.48 = 3,002.97 : x
  2. Step 2: Convert to fraction form
    5,520.88/7,618.48 = 3,002.97/x
  3. Step 3: Cross multiply
    5,520.88x = 7,618.48 × 3,002.97
  4. Step 4: Simplify right side
    5,520.88x = 22,878,096.39
  5. Step 5: Solve for x
    x = 22,878,096.39/5,520.88
  6. Step 6: Final answer
    x = 4,143.92

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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.