Home / 5,910.31-8,156.46-3,392.38

Finding the Fourth Proportional to 5,910.31, 8,156.46 and 3,392.38

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Solution

The fourth proportional to 5,910.31, 8,156.46 and 3,392.38 is: 4,681.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.31 : 8,156.46 = 3,392.38 : x
  2. Step 2: Convert to fraction form
    5,910.31/8,156.46 = 3,392.38/x
  3. Step 3: Cross multiply
    5,910.31x = 8,156.46 × 3,392.38
  4. Step 4: Simplify right side
    5,910.31x = 27,669,811.77
  5. Step 5: Solve for x
    x = 27,669,811.77/5,910.31
  6. Step 6: Final answer
    x = 4,681.62

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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.