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Finding the Fourth Proportional to 2,399.69, 3,313.01 and 1,735.85

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Solution

The fourth proportional to 2,399.69, 3,313.01 and 1,735.85 is: 2,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.69 : 3,313.01 = 1,735.85 : x
  2. Step 2: Convert to fraction form
    2,399.69/3,313.01 = 1,735.85/x
  3. Step 3: Cross multiply
    2,399.69x = 3,313.01 × 1,735.85
  4. Step 4: Simplify right side
    2,399.69x = 5,750,888.41
  5. Step 5: Solve for x
    x = 5,750,888.41/2,399.69
  6. Step 6: Final answer
    x = 2,396.51

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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.