Home / 3,440.73-4,748.51-2,181.33

Finding the Fourth Proportional to 3,440.73, 4,748.51 and 2,181.33

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Solution

The fourth proportional to 3,440.73, 4,748.51 and 2,181.33 is: 3,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.73 : 4,748.51 = 2,181.33 : x
  2. Step 2: Convert to fraction form
    3,440.73/4,748.51 = 2,181.33/x
  3. Step 3: Cross multiply
    3,440.73x = 4,748.51 × 2,181.33
  4. Step 4: Simplify right side
    3,440.73x = 10,358,072.77
  5. Step 5: Solve for x
    x = 10,358,072.77/3,440.73
  6. Step 6: Final answer
    x = 3,010.43

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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.