Home / 2,700.37-3,728.21-1,956.73

Finding the Fourth Proportional to 2,700.37, 3,728.21 and 1,956.73

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Solution

The fourth proportional to 2,700.37, 3,728.21 and 1,956.73 is: 2,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.37 : 3,728.21 = 1,956.73 : x
  2. Step 2: Convert to fraction form
    2,700.37/3,728.21 = 1,956.73/x
  3. Step 3: Cross multiply
    2,700.37x = 3,728.21 × 1,956.73
  4. Step 4: Simplify right side
    2,700.37x = 7,295,100.35
  5. Step 5: Solve for x
    x = 7,295,100.35/2,700.37
  6. Step 6: Final answer
    x = 2,701.52

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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.