Home / 3,575.10-5,351.70-1,927.56

Finding the Fourth Proportional to 3,575.10, 5,351.70 and 1,927.56

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Solution

The fourth proportional to 3,575.10, 5,351.70 and 1,927.56 is: 2,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.10 : 5,351.70 = 1,927.56 : x
  2. Step 2: Convert to fraction form
    3,575.10/5,351.70 = 1,927.56/x
  3. Step 3: Cross multiply
    3,575.10x = 5,351.70 × 1,927.56
  4. Step 4: Simplify right side
    3,575.10x = 10,315,722.85
  5. Step 5: Solve for x
    x = 10,315,722.85/3,575.10
  6. Step 6: Final answer
    x = 2,885.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.