Home / 2,940.67-4,051.23-2,193.22

Finding the Fourth Proportional to 2,940.67, 4,051.23 and 2,193.22

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Solution

The fourth proportional to 2,940.67, 4,051.23 and 2,193.22 is: 3,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.67 : 4,051.23 = 2,193.22 : x
  2. Step 2: Convert to fraction form
    2,940.67/4,051.23 = 2,193.22/x
  3. Step 3: Cross multiply
    2,940.67x = 4,051.23 × 2,193.22
  4. Step 4: Simplify right side
    2,940.67x = 8,885,218.40
  5. Step 5: Solve for x
    x = 8,885,218.40/2,940.67
  6. Step 6: Final answer
    x = 3,021.50

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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.