Home / 5,399.49-7,450.05-3,040.77

Finding the Fourth Proportional to 5,399.49, 7,450.05 and 3,040.77

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Solution

The fourth proportional to 5,399.49, 7,450.05 and 3,040.77 is: 4,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.49 : 7,450.05 = 3,040.77 : x
  2. Step 2: Convert to fraction form
    5,399.49/7,450.05 = 3,040.77/x
  3. Step 3: Cross multiply
    5,399.49x = 7,450.05 × 3,040.77
  4. Step 4: Simplify right side
    5,399.49x = 22,653,888.54
  5. Step 5: Solve for x
    x = 22,653,888.54/5,399.49
  6. Step 6: Final answer
    x = 4,195.56

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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.