Home / 5,479.91-8,217.69-2,360.15

Finding the Fourth Proportional to 5,479.91, 8,217.69 and 2,360.15

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Solution

The fourth proportional to 5,479.91, 8,217.69 and 2,360.15 is: 3,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.91 : 8,217.69 = 2,360.15 : x
  2. Step 2: Convert to fraction form
    5,479.91/8,217.69 = 2,360.15/x
  3. Step 3: Cross multiply
    5,479.91x = 8,217.69 × 2,360.15
  4. Step 4: Simplify right side
    5,479.91x = 19,394,981.05
  5. Step 5: Solve for x
    x = 19,394,981.05/5,479.91
  6. Step 6: Final answer
    x = 3,539.29

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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.