Home / 3,091.29-4,266.41-1,765.07

Finding the Fourth Proportional to 3,091.29, 4,266.41 and 1,765.07

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Solution

The fourth proportional to 3,091.29, 4,266.41 and 1,765.07 is: 2,436.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.29 : 4,266.41 = 1,765.07 : x
  2. Step 2: Convert to fraction form
    3,091.29/4,266.41 = 1,765.07/x
  3. Step 3: Cross multiply
    3,091.29x = 4,266.41 × 1,765.07
  4. Step 4: Simplify right side
    3,091.29x = 7,530,482.14
  5. Step 5: Solve for x
    x = 7,530,482.14/3,091.29
  6. Step 6: Final answer
    x = 2,436.04

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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.