Home / 2,412.23-3,328.92-1,364.09

Finding the Fourth Proportional to 2,412.23, 3,328.92 and 1,364.09

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Solution

The fourth proportional to 2,412.23, 3,328.92 and 1,364.09 is: 1,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.23 : 3,328.92 = 1,364.09 : x
  2. Step 2: Convert to fraction form
    2,412.23/3,328.92 = 1,364.09/x
  3. Step 3: Cross multiply
    2,412.23x = 3,328.92 × 1,364.09
  4. Step 4: Simplify right side
    2,412.23x = 4,540,929.84
  5. Step 5: Solve for x
    x = 4,540,929.84/2,412.23
  6. Step 6: Final answer
    x = 1,882.47

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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.