Home / 5,553.88-7,665.74-3,565.04

Finding the Fourth Proportional to 5,553.88, 7,665.74 and 3,565.04

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Solution

The fourth proportional to 5,553.88, 7,665.74 and 3,565.04 is: 4,920.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.88 : 7,665.74 = 3,565.04 : x
  2. Step 2: Convert to fraction form
    5,553.88/7,665.74 = 3,565.04/x
  3. Step 3: Cross multiply
    5,553.88x = 7,665.74 × 3,565.04
  4. Step 4: Simplify right side
    5,553.88x = 27,328,669.73
  5. Step 5: Solve for x
    x = 27,328,669.73/5,553.88
  6. Step 6: Final answer
    x = 4,920.64

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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.