Home / 5,556.72-7,654.92-4,672.56

Finding the Fourth Proportional to 5,556.72, 7,654.92 and 4,672.56

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Solution

The fourth proportional to 5,556.72, 7,654.92 and 4,672.56 is: 6,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.72 : 7,654.92 = 4,672.56 : x
  2. Step 2: Convert to fraction form
    5,556.72/7,654.92 = 4,672.56/x
  3. Step 3: Cross multiply
    5,556.72x = 7,654.92 × 4,672.56
  4. Step 4: Simplify right side
    5,556.72x = 35,768,073.00
  5. Step 5: Solve for x
    x = 35,768,073.00/5,556.72
  6. Step 6: Final answer
    x = 6,436.90

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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.