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Finding the Fourth Proportional to 5,492.87, 7,580.17 and 2,974.98

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Solution

The fourth proportional to 5,492.87, 7,580.17 and 2,974.98 is: 4,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.87 : 7,580.17 = 2,974.98 : x
  2. Step 2: Convert to fraction form
    5,492.87/7,580.17 = 2,974.98/x
  3. Step 3: Cross multiply
    5,492.87x = 7,580.17 × 2,974.98
  4. Step 4: Simplify right side
    5,492.87x = 22,550,858.22
  5. Step 5: Solve for x
    x = 22,550,858.22/5,492.87
  6. Step 6: Final answer
    x = 4,105.48

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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.