Home / 6,627.98-9,146.70-3,644.09

Finding the Fourth Proportional to 6,627.98, 9,146.70 and 3,644.09

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Solution

The fourth proportional to 6,627.98, 9,146.70 and 3,644.09 is: 5,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.98 : 9,146.70 = 3,644.09 : x
  2. Step 2: Convert to fraction form
    6,627.98/9,146.70 = 3,644.09/x
  3. Step 3: Cross multiply
    6,627.98x = 9,146.70 × 3,644.09
  4. Step 4: Simplify right side
    6,627.98x = 33,331,352.27
  5. Step 5: Solve for x
    x = 33,331,352.27/6,627.98
  6. Step 6: Final answer
    x = 5,028.89

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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.