Home / 5,418.36-7,477.24-3,028.36

Finding the Fourth Proportional to 5,418.36, 7,477.24 and 3,028.36

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Solution

The fourth proportional to 5,418.36, 7,477.24 and 3,028.36 is: 4,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.36 : 7,477.24 = 3,028.36 : x
  2. Step 2: Convert to fraction form
    5,418.36/7,477.24 = 3,028.36/x
  3. Step 3: Cross multiply
    5,418.36x = 7,477.24 × 3,028.36
  4. Step 4: Simplify right side
    5,418.36x = 22,643,774.53
  5. Step 5: Solve for x
    x = 22,643,774.53/5,418.36
  6. Step 6: Final answer
    x = 4,179.08

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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.