Home / 1,725.91-2,580.92-1,282.02

Finding the Fourth Proportional to 1,725.91, 2,580.92 and 1,282.02

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Solution

The fourth proportional to 1,725.91, 2,580.92 and 1,282.02 is: 1,917.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.91 : 2,580.92 = 1,282.02 : x
  2. Step 2: Convert to fraction form
    1,725.91/2,580.92 = 1,282.02/x
  3. Step 3: Cross multiply
    1,725.91x = 2,580.92 × 1,282.02
  4. Step 4: Simplify right side
    1,725.91x = 3,308,791.06
  5. Step 5: Solve for x
    x = 3,308,791.06/1,725.91
  6. Step 6: Final answer
    x = 1,917.13

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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.