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Finding the Fourth Proportional to 2,990.93, 4,127.76 and 1,795.37

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Solution

The fourth proportional to 2,990.93, 4,127.76 and 1,795.37 is: 2,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.93 : 4,127.76 = 1,795.37 : x
  2. Step 2: Convert to fraction form
    2,990.93/4,127.76 = 1,795.37/x
  3. Step 3: Cross multiply
    2,990.93x = 4,127.76 × 1,795.37
  4. Step 4: Simplify right side
    2,990.93x = 7,410,835.83
  5. Step 5: Solve for x
    x = 7,410,835.83/2,990.93
  6. Step 6: Final answer
    x = 2,477.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.