Home / 2,717.48-3,725.69-2,668.28

Finding the Fourth Proportional to 2,717.48, 3,725.69 and 2,668.28

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Solution

The fourth proportional to 2,717.48, 3,725.69 and 2,668.28 is: 3,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.48 : 3,725.69 = 2,668.28 : x
  2. Step 2: Convert to fraction form
    2,717.48/3,725.69 = 2,668.28/x
  3. Step 3: Cross multiply
    2,717.48x = 3,725.69 × 2,668.28
  4. Step 4: Simplify right side
    2,717.48x = 9,941,152.14
  5. Step 5: Solve for x
    x = 9,941,152.14/2,717.48
  6. Step 6: Final answer
    x = 3,658.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.