Home / 3,021.94-4,172.61-2,435.23

Finding the Fourth Proportional to 3,021.94, 4,172.61 and 2,435.23

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Solution

The fourth proportional to 3,021.94, 4,172.61 and 2,435.23 is: 3,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.94 : 4,172.61 = 2,435.23 : x
  2. Step 2: Convert to fraction form
    3,021.94/4,172.61 = 2,435.23/x
  3. Step 3: Cross multiply
    3,021.94x = 4,172.61 × 2,435.23
  4. Step 4: Simplify right side
    3,021.94x = 10,161,265.05
  5. Step 5: Solve for x
    x = 10,161,265.05/3,021.94
  6. Step 6: Final answer
    x = 3,362.50

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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.