Home / 2,783.08-4,168.95-1,806.22

Finding the Fourth Proportional to 2,783.08, 4,168.95 and 1,806.22

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Solution

The fourth proportional to 2,783.08, 4,168.95 and 1,806.22 is: 2,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.08 : 4,168.95 = 1,806.22 : x
  2. Step 2: Convert to fraction form
    2,783.08/4,168.95 = 1,806.22/x
  3. Step 3: Cross multiply
    2,783.08x = 4,168.95 × 1,806.22
  4. Step 4: Simplify right side
    2,783.08x = 7,530,040.87
  5. Step 5: Solve for x
    x = 7,530,040.87/2,783.08
  6. Step 6: Final answer
    x = 2,705.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.