Home / 2,132.10-2,942.43-1,292.83

Finding the Fourth Proportional to 2,132.10, 2,942.43 and 1,292.83

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Solution

The fourth proportional to 2,132.10, 2,942.43 and 1,292.83 is: 1,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.10 : 2,942.43 = 1,292.83 : x
  2. Step 2: Convert to fraction form
    2,132.10/2,942.43 = 1,292.83/x
  3. Step 3: Cross multiply
    2,132.10x = 2,942.43 × 1,292.83
  4. Step 4: Simplify right side
    2,132.10x = 3,804,061.78
  5. Step 5: Solve for x
    x = 3,804,061.78/2,132.10
  6. Step 6: Final answer
    x = 1,784.19

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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.