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Finding the Fourth Proportional to 6,258.95, 8,636.76 and 3,740.56

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Solution

The fourth proportional to 6,258.95, 8,636.76 and 3,740.56 is: 5,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,258.95 : 8,636.76 = 3,740.56 : x
  2. Step 2: Convert to fraction form
    6,258.95/8,636.76 = 3,740.56/x
  3. Step 3: Cross multiply
    6,258.95x = 8,636.76 × 3,740.56
  4. Step 4: Simplify right side
    6,258.95x = 32,306,343.81
  5. Step 5: Solve for x
    x = 32,306,343.81/6,258.95
  6. Step 6: Final answer
    x = 5,161.62

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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.