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Finding the Fourth Proportional to 4,492.86, 6,198.03 and 2,920.38

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Solution

The fourth proportional to 4,492.86, 6,198.03 and 2,920.38 is: 4,028.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,492.86 : 6,198.03 = 2,920.38 : x
  2. Step 2: Convert to fraction form
    4,492.86/6,198.03 = 2,920.38/x
  3. Step 3: Cross multiply
    4,492.86x = 6,198.03 × 2,920.38
  4. Step 4: Simplify right side
    4,492.86x = 18,100,602.85
  5. Step 5: Solve for x
    x = 18,100,602.85/4,492.86
  6. Step 6: Final answer
    x = 4,028.75

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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.