Home / 2,722.41-3,755.16-2,091.98

Finding the Fourth Proportional to 2,722.41, 3,755.16 and 2,091.98

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Solution

The fourth proportional to 2,722.41, 3,755.16 and 2,091.98 is: 2,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.41 : 3,755.16 = 2,091.98 : x
  2. Step 2: Convert to fraction form
    2,722.41/3,755.16 = 2,091.98/x
  3. Step 3: Cross multiply
    2,722.41x = 3,755.16 × 2,091.98
  4. Step 4: Simplify right side
    2,722.41x = 7,855,707.88
  5. Step 5: Solve for x
    x = 7,855,707.88/2,722.41
  6. Step 6: Final answer
    x = 2,885.57

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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.