Home / 3,091.48-4,266.34-1,694.36

Finding the Fourth Proportional to 3,091.48, 4,266.34 and 1,694.36

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Solution

The fourth proportional to 3,091.48, 4,266.34 and 1,694.36 is: 2,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.48 : 4,266.34 = 1,694.36 : x
  2. Step 2: Convert to fraction form
    3,091.48/4,266.34 = 1,694.36/x
  3. Step 3: Cross multiply
    3,091.48x = 4,266.34 × 1,694.36
  4. Step 4: Simplify right side
    3,091.48x = 7,228,715.84
  5. Step 5: Solve for x
    x = 7,228,715.84/3,091.48
  6. Step 6: Final answer
    x = 2,338.27

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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.