Home / 2,721.14-3,751.89-2,300.75

Finding the Fourth Proportional to 2,721.14, 3,751.89 and 2,300.75

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Solution

The fourth proportional to 2,721.14, 3,751.89 and 2,300.75 is: 3,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.14 : 3,751.89 = 2,300.75 : x
  2. Step 2: Convert to fraction form
    2,721.14/3,751.89 = 2,300.75/x
  3. Step 3: Cross multiply
    2,721.14x = 3,751.89 × 2,300.75
  4. Step 4: Simplify right side
    2,721.14x = 8,632,160.92
  5. Step 5: Solve for x
    x = 8,632,160.92/2,721.14
  6. Step 6: Final answer
    x = 3,172.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.