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Finding the Fourth Proportional to 5,792.70, 7,994.79 and 4,907.10

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Solution

The fourth proportional to 5,792.70, 7,994.79 and 4,907.10 is: 6,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.70 : 7,994.79 = 4,907.10 : x
  2. Step 2: Convert to fraction form
    5,792.70/7,994.79 = 4,907.10/x
  3. Step 3: Cross multiply
    5,792.70x = 7,994.79 × 4,907.10
  4. Step 4: Simplify right side
    5,792.70x = 39,231,234.01
  5. Step 5: Solve for x
    x = 39,231,234.01/5,792.70
  6. Step 6: Final answer
    x = 6,772.53

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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.