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Finding the Fourth Proportional to 3,955.67, 5,458.74 and 2,462.84

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Solution

The fourth proportional to 3,955.67, 5,458.74 and 2,462.84 is: 3,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.67 : 5,458.74 = 2,462.84 : x
  2. Step 2: Convert to fraction form
    3,955.67/5,458.74 = 2,462.84/x
  3. Step 3: Cross multiply
    3,955.67x = 5,458.74 × 2,462.84
  4. Step 4: Simplify right side
    3,955.67x = 13,444,003.22
  5. Step 5: Solve for x
    x = 13,444,003.22/3,955.67
  6. Step 6: Final answer
    x = 3,398.67

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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.