Home / 6,610.40-9,122.42-3,626.30

Finding the Fourth Proportional to 6,610.40, 9,122.42 and 3,626.30

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Solution

The fourth proportional to 6,610.40, 9,122.42 and 3,626.30 is: 5,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.40 : 9,122.42 = 3,626.30 : x
  2. Step 2: Convert to fraction form
    6,610.40/9,122.42 = 3,626.30/x
  3. Step 3: Cross multiply
    6,610.40x = 9,122.42 × 3,626.30
  4. Step 4: Simplify right side
    6,610.40x = 33,080,567.90
  5. Step 5: Solve for x
    x = 33,080,567.90/6,610.40
  6. Step 6: Final answer
    x = 5,004.33

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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.