Home / 3,453.36-5,173.14-2,355

Finding the Fourth Proportional to 3,453.36, 5,173.14 and 2,355

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Solution

The fourth proportional to 3,453.36, 5,173.14 and 2,355 is: 3,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.36 : 5,173.14 = 2,355 : x
  2. Step 2: Convert to fraction form
    3,453.36/5,173.14 = 2,355/x
  3. Step 3: Cross multiply
    3,453.36x = 5,173.14 × 2,355
  4. Step 4: Simplify right side
    3,453.36x = 12,182,744.70
  5. Step 5: Solve for x
    x = 12,182,744.70/3,453.36
  6. Step 6: Final answer
    x = 3,527.79

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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.