Home / 2,623.62-3,621.06-1,575.75

Finding the Fourth Proportional to 2,623.62, 3,621.06 and 1,575.75

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Solution

The fourth proportional to 2,623.62, 3,621.06 and 1,575.75 is: 2,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.62 : 3,621.06 = 1,575.75 : x
  2. Step 2: Convert to fraction form
    2,623.62/3,621.06 = 1,575.75/x
  3. Step 3: Cross multiply
    2,623.62x = 3,621.06 × 1,575.75
  4. Step 4: Simplify right side
    2,623.62x = 5,705,885.30
  5. Step 5: Solve for x
    x = 5,705,885.30/2,623.62
  6. Step 6: Final answer
    x = 2,174.81

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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.