Home / 5,550.05-7,646.06-3,868.43

Finding the Fourth Proportional to 5,550.05, 7,646.06 and 3,868.43

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Solution

The fourth proportional to 5,550.05, 7,646.06 and 3,868.43 is: 5,329.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.05 : 7,646.06 = 3,868.43 : x
  2. Step 2: Convert to fraction form
    5,550.05/7,646.06 = 3,868.43/x
  3. Step 3: Cross multiply
    5,550.05x = 7,646.06 × 3,868.43
  4. Step 4: Simplify right side
    5,550.05x = 29,578,190.31
  5. Step 5: Solve for x
    x = 29,578,190.31/5,550.05
  6. Step 6: Final answer
    x = 5,329.36

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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.