Home / 1,941.66-2,912.54-1,791.23

Finding the Fourth Proportional to 1,941.66, 2,912.54 and 1,791.23

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Solution

The fourth proportional to 1,941.66, 2,912.54 and 1,791.23 is: 2,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.66 : 2,912.54 = 1,791.23 : x
  2. Step 2: Convert to fraction form
    1,941.66/2,912.54 = 1,791.23/x
  3. Step 3: Cross multiply
    1,941.66x = 2,912.54 × 1,791.23
  4. Step 4: Simplify right side
    1,941.66x = 5,217,005.51
  5. Step 5: Solve for x
    x = 5,217,005.51/1,941.66
  6. Step 6: Final answer
    x = 2,686.88

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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.