Home / 2,970.37-4,100.98-2,027.73

Finding the Fourth Proportional to 2,970.37, 4,100.98 and 2,027.73

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Solution

The fourth proportional to 2,970.37, 4,100.98 and 2,027.73 is: 2,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.37 : 4,100.98 = 2,027.73 : x
  2. Step 2: Convert to fraction form
    2,970.37/4,100.98 = 2,027.73/x
  3. Step 3: Cross multiply
    2,970.37x = 4,100.98 × 2,027.73
  4. Step 4: Simplify right side
    2,970.37x = 8,315,680.18
  5. Step 5: Solve for x
    x = 8,315,680.18/2,970.37
  6. Step 6: Final answer
    x = 2,799.54

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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.