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Finding the Fourth Proportional to 4,795.00, 7,191.92 and 1,285.28

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Solution

The fourth proportional to 4,795.00, 7,191.92 and 1,285.28 is: 1,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.00 : 7,191.92 = 1,285.28 : x
  2. Step 2: Convert to fraction form
    4,795.00/7,191.92 = 1,285.28/x
  3. Step 3: Cross multiply
    4,795.00x = 7,191.92 × 1,285.28
  4. Step 4: Simplify right side
    4,795.00x = 9,243,665.62
  5. Step 5: Solve for x
    x = 9,243,665.62/4,795.00
  6. Step 6: Final answer
    x = 1,927.77

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1.5x scale

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.