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Finding the Fourth Proportional to 3,850.76, 5,800.38 and 3,506.28

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Solution

The fourth proportional to 3,850.76, 5,800.38 and 3,506.28 is: 5,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.76 : 5,800.38 = 3,506.28 : x
  2. Step 2: Convert to fraction form
    3,850.76/5,800.38 = 3,506.28/x
  3. Step 3: Cross multiply
    3,850.76x = 5,800.38 × 3,506.28
  4. Step 4: Simplify right side
    3,850.76x = 20,337,756.39
  5. Step 5: Solve for x
    x = 20,337,756.39/3,850.76
  6. Step 6: Final answer
    x = 5,281.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.