Home / 7,535.85-11,311.06-3,380.55

Finding the Fourth Proportional to 7,535.85, 11,311.06 and 3,380.55

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Solution

The fourth proportional to 7,535.85, 11,311.06 and 3,380.55 is: 5,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.85 : 11,311.06 = 3,380.55 : x
  2. Step 2: Convert to fraction form
    7,535.85/11,311.06 = 3,380.55/x
  3. Step 3: Cross multiply
    7,535.85x = 11,311.06 × 3,380.55
  4. Step 4: Simplify right side
    7,535.85x = 38,237,603.88
  5. Step 5: Solve for x
    x = 38,237,603.88/7,535.85
  6. Step 6: Final answer
    x = 5,074.09

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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.