Home / 5,311.98-7,329.18-3,633.90

Finding the Fourth Proportional to 5,311.98, 7,329.18 and 3,633.90

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Solution

The fourth proportional to 5,311.98, 7,329.18 and 3,633.90 is: 5,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311.98 : 7,329.18 = 3,633.90 : x
  2. Step 2: Convert to fraction form
    5,311.98/7,329.18 = 3,633.90/x
  3. Step 3: Cross multiply
    5,311.98x = 7,329.18 × 3,633.90
  4. Step 4: Simplify right side
    5,311.98x = 26,633,493.34
  5. Step 5: Solve for x
    x = 26,633,493.34/5,311.98
  6. Step 6: Final answer
    x = 5,013.85

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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.