Home / 2,277.44-3,144.42-1,680.01

Finding the Fourth Proportional to 2,277.44, 3,144.42 and 1,680.01

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Solution

The fourth proportional to 2,277.44, 3,144.42 and 1,680.01 is: 2,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.44 : 3,144.42 = 1,680.01 : x
  2. Step 2: Convert to fraction form
    2,277.44/3,144.42 = 1,680.01/x
  3. Step 3: Cross multiply
    2,277.44x = 3,144.42 × 1,680.01
  4. Step 4: Simplify right side
    2,277.44x = 5,282,657.04
  5. Step 5: Solve for x
    x = 5,282,657.04/2,277.44
  6. Step 6: Final answer
    x = 2,319.56

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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.