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Finding the Fourth Proportional to 3,673.58, 5,072.16 and 2,259.16

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Solution

The fourth proportional to 3,673.58, 5,072.16 and 2,259.16 is: 3,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.58 : 5,072.16 = 2,259.16 : x
  2. Step 2: Convert to fraction form
    3,673.58/5,072.16 = 2,259.16/x
  3. Step 3: Cross multiply
    3,673.58x = 5,072.16 × 2,259.16
  4. Step 4: Simplify right side
    3,673.58x = 11,458,795.62
  5. Step 5: Solve for x
    x = 11,458,795.62/3,673.58
  6. Step 6: Final answer
    x = 3,119.24

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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.