Home / 5,173.73-7,138.67-3,383.83

Finding the Fourth Proportional to 5,173.73, 7,138.67 and 3,383.83

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Solution

The fourth proportional to 5,173.73, 7,138.67 and 3,383.83 is: 4,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.73 : 7,138.67 = 3,383.83 : x
  2. Step 2: Convert to fraction form
    5,173.73/7,138.67 = 3,383.83/x
  3. Step 3: Cross multiply
    5,173.73x = 7,138.67 × 3,383.83
  4. Step 4: Simplify right side
    5,173.73x = 24,156,037.71
  5. Step 5: Solve for x
    x = 24,156,037.71/5,173.73
  6. Step 6: Final answer
    x = 4,668.98

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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.