Home / 2,832.30-4,246.39-1,905.55

Finding the Fourth Proportional to 2,832.30, 4,246.39 and 1,905.55

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Solution

The fourth proportional to 2,832.30, 4,246.39 and 1,905.55 is: 2,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.30 : 4,246.39 = 1,905.55 : x
  2. Step 2: Convert to fraction form
    2,832.30/4,246.39 = 1,905.55/x
  3. Step 3: Cross multiply
    2,832.30x = 4,246.39 × 1,905.55
  4. Step 4: Simplify right side
    2,832.30x = 8,091,708.46
  5. Step 5: Solve for x
    x = 8,091,708.46/2,832.30
  6. Step 6: Final answer
    x = 2,856.94

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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.