Home / 1,791.27-2,688.12-1,061.04

Finding the Fourth Proportional to 1,791.27, 2,688.12 and 1,061.04

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Solution

The fourth proportional to 1,791.27, 2,688.12 and 1,061.04 is: 1,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.27 : 2,688.12 = 1,061.04 : x
  2. Step 2: Convert to fraction form
    1,791.27/2,688.12 = 1,061.04/x
  3. Step 3: Cross multiply
    1,791.27x = 2,688.12 × 1,061.04
  4. Step 4: Simplify right side
    1,791.27x = 2,852,202.84
  5. Step 5: Solve for x
    x = 2,852,202.84/1,791.27
  6. Step 6: Final answer
    x = 1,592.28

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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.