Home / 2,193.46-3,005.23-2,166.15

Finding the Fourth Proportional to 2,193.46, 3,005.23 and 2,166.15

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Solution

The fourth proportional to 2,193.46, 3,005.23 and 2,166.15 is: 2,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.46 : 3,005.23 = 2,166.15 : x
  2. Step 2: Convert to fraction form
    2,193.46/3,005.23 = 2,166.15/x
  3. Step 3: Cross multiply
    2,193.46x = 3,005.23 × 2,166.15
  4. Step 4: Simplify right side
    2,193.46x = 6,509,778.96
  5. Step 5: Solve for x
    x = 6,509,778.96/2,193.46
  6. Step 6: Final answer
    x = 2,967.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.