Home / 3,783.30-5,680.26-1,935.74

Finding the Fourth Proportional to 3,783.30, 5,680.26 and 1,935.74

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Solution

The fourth proportional to 3,783.30, 5,680.26 and 1,935.74 is: 2,906.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.30 : 5,680.26 = 1,935.74 : x
  2. Step 2: Convert to fraction form
    3,783.30/5,680.26 = 1,935.74/x
  3. Step 3: Cross multiply
    3,783.30x = 5,680.26 × 1,935.74
  4. Step 4: Simplify right side
    3,783.30x = 10,995,478.09
  5. Step 5: Solve for x
    x = 10,995,478.09/3,783.30
  6. Step 6: Final answer
    x = 2,906.32

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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.