Home / 5,971.82-8,240.45-3,453.55

Finding the Fourth Proportional to 5,971.82, 8,240.45 and 3,453.55

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Solution

The fourth proportional to 5,971.82, 8,240.45 and 3,453.55 is: 4,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.82 : 8,240.45 = 3,453.55 : x
  2. Step 2: Convert to fraction form
    5,971.82/8,240.45 = 3,453.55/x
  3. Step 3: Cross multiply
    5,971.82x = 8,240.45 × 3,453.55
  4. Step 4: Simplify right side
    5,971.82x = 28,458,806.10
  5. Step 5: Solve for x
    x = 28,458,806.10/5,971.82
  6. Step 6: Final answer
    x = 4,765.52

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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.