Home / 5,480.37-8,220.93-2,359.62

Finding the Fourth Proportional to 5,480.37, 8,220.93 and 2,359.62

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Solution

The fourth proportional to 5,480.37, 8,220.93 and 2,359.62 is: 3,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.37 : 8,220.93 = 2,359.62 : x
  2. Step 2: Convert to fraction form
    5,480.37/8,220.93 = 2,359.62/x
  3. Step 3: Cross multiply
    5,480.37x = 8,220.93 × 2,359.62
  4. Step 4: Simplify right side
    5,480.37x = 19,398,270.85
  5. Step 5: Solve for x
    x = 19,398,270.85/5,480.37
  6. Step 6: Final answer
    x = 3,539.59

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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.