Home / 5,390.15-8,074.72-3,043.06

Finding the Fourth Proportional to 5,390.15, 8,074.72 and 3,043.06

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Solution

The fourth proportional to 5,390.15, 8,074.72 and 3,043.06 is: 4,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.15 : 8,074.72 = 3,043.06 : x
  2. Step 2: Convert to fraction form
    5,390.15/8,074.72 = 3,043.06/x
  3. Step 3: Cross multiply
    5,390.15x = 8,074.72 × 3,043.06
  4. Step 4: Simplify right side
    5,390.15x = 24,571,857.44
  5. Step 5: Solve for x
    x = 24,571,857.44/5,390.15
  6. Step 6: Final answer
    x = 4,558.66

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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.