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Finding the Fourth Proportional to 3,804.56, 5,706.82 and 1,339.10

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Solution

The fourth proportional to 3,804.56, 5,706.82 and 1,339.10 is: 2,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.56 : 5,706.82 = 1,339.10 : x
  2. Step 2: Convert to fraction form
    3,804.56/5,706.82 = 1,339.10/x
  3. Step 3: Cross multiply
    3,804.56x = 5,706.82 × 1,339.10
  4. Step 4: Simplify right side
    3,804.56x = 7,641,967.43
  5. Step 5: Solve for x
    x = 7,641,967.43/3,804.56
  6. Step 6: Final answer
    x = 2,008.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.