Home / 3,091.86-4,267.44-2,016.48

Finding the Fourth Proportional to 3,091.86, 4,267.44 and 2,016.48

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Solution

The fourth proportional to 3,091.86, 4,267.44 and 2,016.48 is: 2,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.86 : 4,267.44 = 2,016.48 : x
  2. Step 2: Convert to fraction form
    3,091.86/4,267.44 = 2,016.48/x
  3. Step 3: Cross multiply
    3,091.86x = 4,267.44 × 2,016.48
  4. Step 4: Simplify right side
    3,091.86x = 8,605,207.41
  5. Step 5: Solve for x
    x = 8,605,207.41/3,091.86
  6. Step 6: Final answer
    x = 2,783.18

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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.