Home / 2,261.15-3,391.75-701.13

Finding the Fourth Proportional to 2,261.15, 3,391.75 and 701.13

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Solution

The fourth proportional to 2,261.15, 3,391.75 and 701.13 is: 1,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.15 : 3,391.75 = 701.13 : x
  2. Step 2: Convert to fraction form
    2,261.15/3,391.75 = 701.13/x
  3. Step 3: Cross multiply
    2,261.15x = 3,391.75 × 701.13
  4. Step 4: Simplify right side
    2,261.15x = 2,378,057.68
  5. Step 5: Solve for x
    x = 2,378,057.68/2,261.15
  6. Step 6: Final answer
    x = 1,051.71

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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.