Home / 3,920.74-5,874.63-2,456.26

Finding the Fourth Proportional to 3,920.74, 5,874.63 and 2,456.26

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Solution

The fourth proportional to 3,920.74, 5,874.63 and 2,456.26 is: 3,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.74 : 5,874.63 = 2,456.26 : x
  2. Step 2: Convert to fraction form
    3,920.74/5,874.63 = 2,456.26/x
  3. Step 3: Cross multiply
    3,920.74x = 5,874.63 × 2,456.26
  4. Step 4: Simplify right side
    3,920.74x = 14,429,618.68
  5. Step 5: Solve for x
    x = 14,429,618.68/3,920.74
  6. Step 6: Final answer
    x = 3,680.33

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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.