Home / 2,291.84-3,163.68-1,453.76

Finding the Fourth Proportional to 2,291.84, 3,163.68 and 1,453.76

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Solution

The fourth proportional to 2,291.84, 3,163.68 and 1,453.76 is: 2,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.84 : 3,163.68 = 1,453.76 : x
  2. Step 2: Convert to fraction form
    2,291.84/3,163.68 = 1,453.76/x
  3. Step 3: Cross multiply
    2,291.84x = 3,163.68 × 1,453.76
  4. Step 4: Simplify right side
    2,291.84x = 4,599,231.44
  5. Step 5: Solve for x
    x = 4,599,231.44/2,291.84
  6. Step 6: Final answer
    x = 2,006.79

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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.