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Finding the Fourth Proportional to 5,806.60, 8,013.13 and 3,154.05

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Solution

The fourth proportional to 5,806.60, 8,013.13 and 3,154.05 is: 4,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.60 : 8,013.13 = 3,154.05 : x
  2. Step 2: Convert to fraction form
    5,806.60/8,013.13 = 3,154.05/x
  3. Step 3: Cross multiply
    5,806.60x = 8,013.13 × 3,154.05
  4. Step 4: Simplify right side
    5,806.60x = 25,273,812.68
  5. Step 5: Solve for x
    x = 25,273,812.68/5,806.60
  6. Step 6: Final answer
    x = 4,352.60

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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.