Home / 5,219.53-7,212.33-4,109.02

Finding the Fourth Proportional to 5,219.53, 7,212.33 and 4,109.02

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Solution

The fourth proportional to 5,219.53, 7,212.33 and 4,109.02 is: 5,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.53 : 7,212.33 = 4,109.02 : x
  2. Step 2: Convert to fraction form
    5,219.53/7,212.33 = 4,109.02/x
  3. Step 3: Cross multiply
    5,219.53x = 7,212.33 × 4,109.02
  4. Step 4: Simplify right side
    5,219.53x = 29,635,608.22
  5. Step 5: Solve for x
    x = 29,635,608.22/5,219.53
  6. Step 6: Final answer
    x = 5,677.83

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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.