Home / 3,032.46-4,181.45-1,912.05

Finding the Fourth Proportional to 3,032.46, 4,181.45 and 1,912.05

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Solution

The fourth proportional to 3,032.46, 4,181.45 and 1,912.05 is: 2,636.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.46 : 4,181.45 = 1,912.05 : x
  2. Step 2: Convert to fraction form
    3,032.46/4,181.45 = 1,912.05/x
  3. Step 3: Cross multiply
    3,032.46x = 4,181.45 × 1,912.05
  4. Step 4: Simplify right side
    3,032.46x = 7,995,131.91
  5. Step 5: Solve for x
    x = 7,995,131.91/3,032.46
  6. Step 6: Final answer
    x = 2,636.52

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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.