Home / 5,165.75-7,147.50-4,503.98

Finding the Fourth Proportional to 5,165.75, 7,147.50 and 4,503.98

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Solution

The fourth proportional to 5,165.75, 7,147.50 and 4,503.98 is: 6,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.75 : 7,147.50 = 4,503.98 : x
  2. Step 2: Convert to fraction form
    5,165.75/7,147.50 = 4,503.98/x
  3. Step 3: Cross multiply
    5,165.75x = 7,147.50 × 4,503.98
  4. Step 4: Simplify right side
    5,165.75x = 32,192,197.05
  5. Step 5: Solve for x
    x = 32,192,197.05/5,165.75
  6. Step 6: Final answer
    x = 6,231.85

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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.