Home / 3,018.24-4,164.89-2,074.86

Finding the Fourth Proportional to 3,018.24, 4,164.89 and 2,074.86

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Solution

The fourth proportional to 3,018.24, 4,164.89 and 2,074.86 is: 2,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.24 : 4,164.89 = 2,074.86 : x
  2. Step 2: Convert to fraction form
    3,018.24/4,164.89 = 2,074.86/x
  3. Step 3: Cross multiply
    3,018.24x = 4,164.89 × 2,074.86
  4. Step 4: Simplify right side
    3,018.24x = 8,641,553.29
  5. Step 5: Solve for x
    x = 8,641,553.29/3,018.24
  6. Step 6: Final answer
    x = 2,863.11

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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.