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Finding the Fourth Proportional to 5,317.36, 7,973.97 and 1,568.32

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Solution

The fourth proportional to 5,317.36, 7,973.97 and 1,568.32 is: 2,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.36 : 7,973.97 = 1,568.32 : x
  2. Step 2: Convert to fraction form
    5,317.36/7,973.97 = 1,568.32/x
  3. Step 3: Cross multiply
    5,317.36x = 7,973.97 × 1,568.32
  4. Step 4: Simplify right side
    5,317.36x = 12,505,736.63
  5. Step 5: Solve for x
    x = 12,505,736.63/5,317.36
  6. Step 6: Final answer
    x = 2,351.87

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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.