Home / 4,845.12-7,268.72-1,725.28

Finding the Fourth Proportional to 4,845.12, 7,268.72 and 1,725.28

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Solution

The fourth proportional to 4,845.12, 7,268.72 and 1,725.28 is: 2,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.12 : 7,268.72 = 1,725.28 : x
  2. Step 2: Convert to fraction form
    4,845.12/7,268.72 = 1,725.28/x
  3. Step 3: Cross multiply
    4,845.12x = 7,268.72 × 1,725.28
  4. Step 4: Simplify right side
    4,845.12x = 12,540,577.24
  5. Step 5: Solve for x
    x = 12,540,577.24/4,845.12
  6. Step 6: Final answer
    x = 2,588.29

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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.