Home / 6,610.89-9,123.10-3,626.65

Finding the Fourth Proportional to 6,610.89, 9,123.10 and 3,626.65

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Solution

The fourth proportional to 6,610.89, 9,123.10 and 3,626.65 is: 5,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.89 : 9,123.10 = 3,626.65 : x
  2. Step 2: Convert to fraction form
    6,610.89/9,123.10 = 3,626.65/x
  3. Step 3: Cross multiply
    6,610.89x = 9,123.10 × 3,626.65
  4. Step 4: Simplify right side
    6,610.89x = 33,086,290.62
  5. Step 5: Solve for x
    x = 33,086,290.62/6,610.89
  6. Step 6: Final answer
    x = 5,004.82

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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.