Home / 5,627.03-7,765.52-3,109.03

Finding the Fourth Proportional to 5,627.03, 7,765.52 and 3,109.03

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Solution

The fourth proportional to 5,627.03, 7,765.52 and 3,109.03 is: 4,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.03 : 7,765.52 = 3,109.03 : x
  2. Step 2: Convert to fraction form
    5,627.03/7,765.52 = 3,109.03/x
  3. Step 3: Cross multiply
    5,627.03x = 7,765.52 × 3,109.03
  4. Step 4: Simplify right side
    5,627.03x = 24,143,199.69
  5. Step 5: Solve for x
    x = 24,143,199.69/5,627.03
  6. Step 6: Final answer
    x = 4,290.58

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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.