Home / 1,134.14-1,701.34-403.79

Finding the Fourth Proportional to 1,134.14, 1,701.34 and 403.79

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Solution

The fourth proportional to 1,134.14, 1,701.34 and 403.79 is: 605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.14 : 1,701.34 = 403.79 : x
  2. Step 2: Convert to fraction form
    1,134.14/1,701.34 = 403.79/x
  3. Step 3: Cross multiply
    1,134.14x = 1,701.34 × 403.79
  4. Step 4: Simplify right side
    1,134.14x = 686,975.57
  5. Step 5: Solve for x
    x = 686,975.57/1,134.14
  6. Step 6: Final answer
    x = 605.73

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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.