Home / 3,288.94-4,542.60-3,022.40

Finding the Fourth Proportional to 3,288.94, 4,542.60 and 3,022.40

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Solution

The fourth proportional to 3,288.94, 4,542.60 and 3,022.40 is: 4,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.94 : 4,542.60 = 3,022.40 : x
  2. Step 2: Convert to fraction form
    3,288.94/4,542.60 = 3,022.40/x
  3. Step 3: Cross multiply
    3,288.94x = 4,542.60 × 3,022.40
  4. Step 4: Simplify right side
    3,288.94x = 13,729,554.24
  5. Step 5: Solve for x
    x = 13,729,554.24/3,288.94
  6. Step 6: Final answer
    x = 4,174.46

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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.