Home / 5,189.54-7,167.52-3,779.53

Finding the Fourth Proportional to 5,189.54, 7,167.52 and 3,779.53

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Solution

The fourth proportional to 5,189.54, 7,167.52 and 3,779.53 is: 5,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.54 : 7,167.52 = 3,779.53 : x
  2. Step 2: Convert to fraction form
    5,189.54/7,167.52 = 3,779.53/x
  3. Step 3: Cross multiply
    5,189.54x = 7,167.52 × 3,779.53
  4. Step 4: Simplify right side
    5,189.54x = 27,089,843.67
  5. Step 5: Solve for x
    x = 27,089,843.67/5,189.54
  6. Step 6: Final answer
    x = 5,220.09

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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.