Home / 3,091.35-4,266.17-1,765.03

Finding the Fourth Proportional to 3,091.35, 4,266.17 and 1,765.03

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Solution

The fourth proportional to 3,091.35, 4,266.17 and 1,765.03 is: 2,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.35 : 4,266.17 = 1,765.03 : x
  2. Step 2: Convert to fraction form
    3,091.35/4,266.17 = 1,765.03/x
  3. Step 3: Cross multiply
    3,091.35x = 4,266.17 × 1,765.03
  4. Step 4: Simplify right side
    3,091.35x = 7,529,898.54
  5. Step 5: Solve for x
    x = 7,529,898.54/3,091.35
  6. Step 6: Final answer
    x = 2,435.80

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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.