Home / 5,351.05-7,388.98-4,022.45

Finding the Fourth Proportional to 5,351.05, 7,388.98 and 4,022.45

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Solution

The fourth proportional to 5,351.05, 7,388.98 and 4,022.45 is: 5,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.05 : 7,388.98 = 4,022.45 : x
  2. Step 2: Convert to fraction form
    5,351.05/7,388.98 = 4,022.45/x
  3. Step 3: Cross multiply
    5,351.05x = 7,388.98 × 4,022.45
  4. Step 4: Simplify right side
    5,351.05x = 29,721,755.60
  5. Step 5: Solve for x
    x = 29,721,755.60/5,351.05
  6. Step 6: Final answer
    x = 5,554.38

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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.