Home / 2,974.79-4,105.26-1,795.64

Finding the Fourth Proportional to 2,974.79, 4,105.26 and 1,795.64

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Solution

The fourth proportional to 2,974.79, 4,105.26 and 1,795.64 is: 2,478.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.79 : 4,105.26 = 1,795.64 : x
  2. Step 2: Convert to fraction form
    2,974.79/4,105.26 = 1,795.64/x
  3. Step 3: Cross multiply
    2,974.79x = 4,105.26 × 1,795.64
  4. Step 4: Simplify right side
    2,974.79x = 7,371,548.54
  5. Step 5: Solve for x
    x = 7,371,548.54/2,974.79
  6. Step 6: Final answer
    x = 2,478.00

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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.