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Finding the Fourth Proportional to 4,998.16, 6,898.27 and 2,981.83

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Solution

The fourth proportional to 4,998.16, 6,898.27 and 2,981.83 is: 4,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.16 : 6,898.27 = 2,981.83 : x
  2. Step 2: Convert to fraction form
    4,998.16/6,898.27 = 2,981.83/x
  3. Step 3: Cross multiply
    4,998.16x = 6,898.27 × 2,981.83
  4. Step 4: Simplify right side
    4,998.16x = 20,569,468.43
  5. Step 5: Solve for x
    x = 20,569,468.43/4,998.16
  6. Step 6: Final answer
    x = 4,115.41

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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.