Home / 3,047.45-4,201.30-1,927.83

Finding the Fourth Proportional to 3,047.45, 4,201.30 and 1,927.83

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Solution

The fourth proportional to 3,047.45, 4,201.30 and 1,927.83 is: 2,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.45 : 4,201.30 = 1,927.83 : x
  2. Step 2: Convert to fraction form
    3,047.45/4,201.30 = 1,927.83/x
  3. Step 3: Cross multiply
    3,047.45x = 4,201.30 × 1,927.83
  4. Step 4: Simplify right side
    3,047.45x = 8,099,392.18
  5. Step 5: Solve for x
    x = 8,099,392.18/3,047.45
  6. Step 6: Final answer
    x = 2,657.76

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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.