Home / 2,952.38-4,425.12-2,219.60

Finding the Fourth Proportional to 2,952.38, 4,425.12 and 2,219.60

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Solution

The fourth proportional to 2,952.38, 4,425.12 and 2,219.60 is: 3,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.38 : 4,425.12 = 2,219.60 : x
  2. Step 2: Convert to fraction form
    2,952.38/4,425.12 = 2,219.60/x
  3. Step 3: Cross multiply
    2,952.38x = 4,425.12 × 2,219.60
  4. Step 4: Simplify right side
    2,952.38x = 9,821,996.35
  5. Step 5: Solve for x
    x = 9,821,996.35/2,952.38
  6. Step 6: Final answer
    x = 3,326.81

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1.5x scale

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.