Home / 2,743.14-3,782.23-1,904.56

Finding the Fourth Proportional to 2,743.14, 3,782.23 and 1,904.56

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Solution

The fourth proportional to 2,743.14, 3,782.23 and 1,904.56 is: 2,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.14 : 3,782.23 = 1,904.56 : x
  2. Step 2: Convert to fraction form
    2,743.14/3,782.23 = 1,904.56/x
  3. Step 3: Cross multiply
    2,743.14x = 3,782.23 × 1,904.56
  4. Step 4: Simplify right side
    2,743.14x = 7,203,483.97
  5. Step 5: Solve for x
    x = 7,203,483.97/2,743.14
  6. Step 6: Final answer
    x = 2,626.00

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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.