Home / 3,861.86-5,329.37-2,093.45

Finding the Fourth Proportional to 3,861.86, 5,329.37 and 2,093.45

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Solution

The fourth proportional to 3,861.86, 5,329.37 and 2,093.45 is: 2,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.86 : 5,329.37 = 2,093.45 : x
  2. Step 2: Convert to fraction form
    3,861.86/5,329.37 = 2,093.45/x
  3. Step 3: Cross multiply
    3,861.86x = 5,329.37 × 2,093.45
  4. Step 4: Simplify right side
    3,861.86x = 11,156,759.16
  5. Step 5: Solve for x
    x = 11,156,759.16/3,861.86
  6. Step 6: Final answer
    x = 2,888.96

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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.