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Finding the Fourth Proportional to 2,458.76, 3,393.50 and 1,464.38

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Solution

The fourth proportional to 2,458.76, 3,393.50 and 1,464.38 is: 2,021.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.76 : 3,393.50 = 1,464.38 : x
  2. Step 2: Convert to fraction form
    2,458.76/3,393.50 = 1,464.38/x
  3. Step 3: Cross multiply
    2,458.76x = 3,393.50 × 1,464.38
  4. Step 4: Simplify right side
    2,458.76x = 4,969,361.97
  5. Step 5: Solve for x
    x = 4,969,361.97/2,458.76
  6. Step 6: Final answer
    x = 2,021.09

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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.