Home / 5,176.21-7,141.34-3,384.73

Finding the Fourth Proportional to 5,176.21, 7,141.34 and 3,384.73

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Solution

The fourth proportional to 5,176.21, 7,141.34 and 3,384.73 is: 4,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.21 : 7,141.34 = 3,384.73 : x
  2. Step 2: Convert to fraction form
    5,176.21/7,141.34 = 3,384.73/x
  3. Step 3: Cross multiply
    5,176.21x = 7,141.34 × 3,384.73
  4. Step 4: Simplify right side
    5,176.21x = 24,171,539.93
  5. Step 5: Solve for x
    x = 24,171,539.93/5,176.21
  6. Step 6: Final answer
    x = 4,669.74

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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.