Home / 6,622.25-9,122.38-5,675.00

Finding the Fourth Proportional to 6,622.25, 9,122.38 and 5,675.00

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Solution

The fourth proportional to 6,622.25, 9,122.38 and 5,675.00 is: 7,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.25 : 9,122.38 = 5,675.00 : x
  2. Step 2: Convert to fraction form
    6,622.25/9,122.38 = 5,675.00/x
  3. Step 3: Cross multiply
    6,622.25x = 9,122.38 × 5,675.00
  4. Step 4: Simplify right side
    6,622.25x = 51,769,446.70
  5. Step 5: Solve for x
    x = 51,769,446.70/6,622.25
  6. Step 6: Final answer
    x = 7,817.51

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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.