Home / 6,622.30-9,140.61-3,791.26

Finding the Fourth Proportional to 6,622.30, 9,140.61 and 3,791.26

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Solution

The fourth proportional to 6,622.30, 9,140.61 and 3,791.26 is: 5,232.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.30 : 9,140.61 = 3,791.26 : x
  2. Step 2: Convert to fraction form
    6,622.30/9,140.61 = 3,791.26/x
  3. Step 3: Cross multiply
    6,622.30x = 9,140.61 × 3,791.26
  4. Step 4: Simplify right side
    6,622.30x = 34,654,429.07
  5. Step 5: Solve for x
    x = 34,654,429.07/6,622.30
  6. Step 6: Final answer
    x = 5,232.99

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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.