Home / 4,120.93-6,181.46-2,271.70

Finding the Fourth Proportional to 4,120.93, 6,181.46 and 2,271.70

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Solution

The fourth proportional to 4,120.93, 6,181.46 and 2,271.70 is: 3,407.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.93 : 6,181.46 = 2,271.70 : x
  2. Step 2: Convert to fraction form
    4,120.93/6,181.46 = 2,271.70/x
  3. Step 3: Cross multiply
    4,120.93x = 6,181.46 × 2,271.70
  4. Step 4: Simplify right side
    4,120.93x = 14,042,422.68
  5. Step 5: Solve for x
    x = 14,042,422.68/4,120.93
  6. Step 6: Final answer
    x = 3,407.59

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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.