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Finding the Fourth Proportional to 3,955.56, 5,460.12 and 2,383.62

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Solution

The fourth proportional to 3,955.56, 5,460.12 and 2,383.62 is: 3,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.56 : 5,460.12 = 2,383.62 : x
  2. Step 2: Convert to fraction form
    3,955.56/5,460.12 = 2,383.62/x
  3. Step 3: Cross multiply
    3,955.56x = 5,460.12 × 2,383.62
  4. Step 4: Simplify right side
    3,955.56x = 13,014,851.23
  5. Step 5: Solve for x
    x = 13,014,851.23/3,955.56
  6. Step 6: Final answer
    x = 3,290.27

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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.