Home / 5,518.91-7,616.08-3,000.97

Finding the Fourth Proportional to 5,518.91, 7,616.08 and 3,000.97

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Solution

The fourth proportional to 5,518.91, 7,616.08 and 3,000.97 is: 4,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.91 : 7,616.08 = 3,000.97 : x
  2. Step 2: Convert to fraction form
    5,518.91/7,616.08 = 3,000.97/x
  3. Step 3: Cross multiply
    5,518.91x = 7,616.08 × 3,000.97
  4. Step 4: Simplify right side
    5,518.91x = 22,855,645.41
  5. Step 5: Solve for x
    x = 22,855,645.41/5,518.91
  6. Step 6: Final answer
    x = 4,141.33

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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.