Home / 4,156.53-6,236.10-1,815.45

Finding the Fourth Proportional to 4,156.53, 6,236.10 and 1,815.45

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Solution

The fourth proportional to 4,156.53, 6,236.10 and 1,815.45 is: 2,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.53 : 6,236.10 = 1,815.45 : x
  2. Step 2: Convert to fraction form
    4,156.53/6,236.10 = 1,815.45/x
  3. Step 3: Cross multiply
    4,156.53x = 6,236.10 × 1,815.45
  4. Step 4: Simplify right side
    4,156.53x = 11,321,327.75
  5. Step 5: Solve for x
    x = 11,321,327.75/4,156.53
  6. Step 6: Final answer
    x = 2,723.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.