Home / 2,195.80-3,291.60-733.93

Finding the Fourth Proportional to 2,195.80, 3,291.60 and 733.93

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Solution

The fourth proportional to 2,195.80, 3,291.60 and 733.93 is: 1,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.80 : 3,291.60 = 733.93 : x
  2. Step 2: Convert to fraction form
    2,195.80/3,291.60 = 733.93/x
  3. Step 3: Cross multiply
    2,195.80x = 3,291.60 × 733.93
  4. Step 4: Simplify right side
    2,195.80x = 2,415,803.99
  5. Step 5: Solve for x
    x = 2,415,803.99/2,195.80
  6. Step 6: Final answer
    x = 1,100.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.