Home / 6,258.20-8,636.34-3,425.57

Finding the Fourth Proportional to 6,258.20, 8,636.34 and 3,425.57

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Solution

The fourth proportional to 6,258.20, 8,636.34 and 3,425.57 is: 4,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.20 : 8,636.34 = 3,425.57 : x
  2. Step 2: Convert to fraction form
    6,258.20/8,636.34 = 3,425.57/x
  3. Step 3: Cross multiply
    6,258.20x = 8,636.34 × 3,425.57
  4. Step 4: Simplify right side
    6,258.20x = 29,584,344.03
  5. Step 5: Solve for x
    x = 29,584,344.03/6,258.20
  6. Step 6: Final answer
    x = 4,727.30

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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.