Home / 5,355.50-7,379.42-4,556.03

Finding the Fourth Proportional to 5,355.50, 7,379.42 and 4,556.03

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Solution

The fourth proportional to 5,355.50, 7,379.42 and 4,556.03 is: 6,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.50 : 7,379.42 = 4,556.03 : x
  2. Step 2: Convert to fraction form
    5,355.50/7,379.42 = 4,556.03/x
  3. Step 3: Cross multiply
    5,355.50x = 7,379.42 × 4,556.03
  4. Step 4: Simplify right side
    5,355.50x = 33,620,799.23
  5. Step 5: Solve for x
    x = 33,620,799.23/5,355.50
  6. Step 6: Final answer
    x = 6,277.81

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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.