Home / 5,475.50-7,556.19-3,119.03

Finding the Fourth Proportional to 5,475.50, 7,556.19 and 3,119.03

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Solution

The fourth proportional to 5,475.50, 7,556.19 and 3,119.03 is: 4,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.50 : 7,556.19 = 3,119.03 : x
  2. Step 2: Convert to fraction form
    5,475.50/7,556.19 = 3,119.03/x
  3. Step 3: Cross multiply
    5,475.50x = 7,556.19 × 3,119.03
  4. Step 4: Simplify right side
    5,475.50x = 23,567,983.30
  5. Step 5: Solve for x
    x = 23,567,983.30/5,475.50
  6. Step 6: Final answer
    x = 4,304.26

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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.