Home / 6,188.34-8,540.45-3,394.38

Finding the Fourth Proportional to 6,188.34, 8,540.45 and 3,394.38

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Solution

The fourth proportional to 6,188.34, 8,540.45 and 3,394.38 is: 4,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,188.34 : 8,540.45 = 3,394.38 : x
  2. Step 2: Convert to fraction form
    6,188.34/8,540.45 = 3,394.38/x
  3. Step 3: Cross multiply
    6,188.34x = 8,540.45 × 3,394.38
  4. Step 4: Simplify right side
    6,188.34x = 28,989,579.55
  5. Step 5: Solve for x
    x = 28,989,579.55/6,188.34
  6. Step 6: Final answer
    x = 4,684.55

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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.