Home / 3,091.56-4,266.10-1,765.02

Finding the Fourth Proportional to 3,091.56, 4,266.10 and 1,765.02

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Solution

The fourth proportional to 3,091.56, 4,266.10 and 1,765.02 is: 2,435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.56 : 4,266.10 = 1,765.02 : x
  2. Step 2: Convert to fraction form
    3,091.56/4,266.10 = 1,765.02/x
  3. Step 3: Cross multiply
    3,091.56x = 4,266.10 × 1,765.02
  4. Step 4: Simplify right side
    3,091.56x = 7,529,751.82
  5. Step 5: Solve for x
    x = 7,529,751.82/3,091.56
  6. Step 6: Final answer
    x = 2,435.58

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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.