Home / 5,230.08-7,219.20-3,578.88

Finding the Fourth Proportional to 5,230.08, 7,219.20 and 3,578.88

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Solution

The fourth proportional to 5,230.08, 7,219.20 and 3,578.88 is: 4,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.08 : 7,219.20 = 3,578.88 : x
  2. Step 2: Convert to fraction form
    5,230.08/7,219.20 = 3,578.88/x
  3. Step 3: Cross multiply
    5,230.08x = 7,219.20 × 3,578.88
  4. Step 4: Simplify right side
    5,230.08x = 25,836,650.50
  5. Step 5: Solve for x
    x = 25,836,650.50/5,230.08
  6. Step 6: Final answer
    x = 4,940.01

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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.