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Finding the Fourth Proportional to 4,840, 7,260 and 1,192

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Solution

The fourth proportional to 4,840, 7,260 and 1,192 is: 1,788

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840 : 7,260 = 1,192 : x
  2. Step 2: Convert to fraction form
    4,840/7,260 = 1,192/x
  3. Step 3: Cross multiply
    4,840x = 7,260 × 1,192
  4. Step 4: Simplify right side
    4,840x = 8,653,920
  5. Step 5: Solve for x
    x = 8,653,920/4,840
  6. Step 6: Final answer
    x = 1,788

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.