Home / 3,018.41-4,164.84-1,942.63

Finding the Fourth Proportional to 3,018.41, 4,164.84 and 1,942.63

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Solution

The fourth proportional to 3,018.41, 4,164.84 and 1,942.63 is: 2,680.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.41 : 4,164.84 = 1,942.63 : x
  2. Step 2: Convert to fraction form
    3,018.41/4,164.84 = 1,942.63/x
  3. Step 3: Cross multiply
    3,018.41x = 4,164.84 × 1,942.63
  4. Step 4: Simplify right side
    3,018.41x = 8,090,722.31
  5. Step 5: Solve for x
    x = 8,090,722.31/3,018.41
  6. Step 6: Final answer
    x = 2,680.46

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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.