Home / 6,623.57-9,141.35-3,829.07

Finding the Fourth Proportional to 6,623.57, 9,141.35 and 3,829.07

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Solution

The fourth proportional to 6,623.57, 9,141.35 and 3,829.07 is: 5,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.57 : 9,141.35 = 3,829.07 : x
  2. Step 2: Convert to fraction form
    6,623.57/9,141.35 = 3,829.07/x
  3. Step 3: Cross multiply
    6,623.57x = 9,141.35 × 3,829.07
  4. Step 4: Simplify right side
    6,623.57x = 35,002,872.75
  5. Step 5: Solve for x
    x = 35,002,872.75/6,623.57
  6. Step 6: Final answer
    x = 5,284.59

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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.