Home / 4,194.08-5,787.85-2,305.70

Finding the Fourth Proportional to 4,194.08, 5,787.85 and 2,305.70

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Solution

The fourth proportional to 4,194.08, 5,787.85 and 2,305.70 is: 3,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,194.08 : 5,787.85 = 2,305.70 : x
  2. Step 2: Convert to fraction form
    4,194.08/5,787.85 = 2,305.70/x
  3. Step 3: Cross multiply
    4,194.08x = 5,787.85 × 2,305.70
  4. Step 4: Simplify right side
    4,194.08x = 13,345,016.81
  5. Step 5: Solve for x
    x = 13,345,016.81/4,194.08
  6. Step 6: Final answer
    x = 3,181.87

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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.