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Finding the Fourth Proportional to 4,289.64, 5,918.16 and 2,610.48

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Solution

The fourth proportional to 4,289.64, 5,918.16 and 2,610.48 is: 3,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.64 : 5,918.16 = 2,610.48 : x
  2. Step 2: Convert to fraction form
    4,289.64/5,918.16 = 2,610.48/x
  3. Step 3: Cross multiply
    4,289.64x = 5,918.16 × 2,610.48
  4. Step 4: Simplify right side
    4,289.64x = 15,449,238.32
  5. Step 5: Solve for x
    x = 15,449,238.32/4,289.64
  6. Step 6: Final answer
    x = 3,601.52

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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.