Home / 5,479.97-8,220.42-2,360.07

Finding the Fourth Proportional to 5,479.97, 8,220.42 and 2,360.07

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Solution

The fourth proportional to 5,479.97, 8,220.42 and 2,360.07 is: 3,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.97 : 8,220.42 = 2,360.07 : x
  2. Step 2: Convert to fraction form
    5,479.97/8,220.42 = 2,360.07/x
  3. Step 3: Cross multiply
    5,479.97x = 8,220.42 × 2,360.07
  4. Step 4: Simplify right side
    5,479.97x = 19,400,766.63
  5. Step 5: Solve for x
    x = 19,400,766.63/5,479.97
  6. Step 6: Final answer
    x = 3,540.31

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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.