Home / 2,268.06-3,401.64-707.81

Finding the Fourth Proportional to 2,268.06, 3,401.64 and 707.81

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Solution

The fourth proportional to 2,268.06, 3,401.64 and 707.81 is: 1,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.06 : 3,401.64 = 707.81 : x
  2. Step 2: Convert to fraction form
    2,268.06/3,401.64 = 707.81/x
  3. Step 3: Cross multiply
    2,268.06x = 3,401.64 × 707.81
  4. Step 4: Simplify right side
    2,268.06x = 2,407,720.66
  5. Step 5: Solve for x
    x = 2,407,720.66/2,268.06
  6. Step 6: Final answer
    x = 1,061.58

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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.