Home / 2,672.45-4,005.89-1,500.74

Finding the Fourth Proportional to 2,672.45, 4,005.89 and 1,500.74

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Solution

The fourth proportional to 2,672.45, 4,005.89 and 1,500.74 is: 2,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.45 : 4,005.89 = 1,500.74 : x
  2. Step 2: Convert to fraction form
    2,672.45/4,005.89 = 1,500.74/x
  3. Step 3: Cross multiply
    2,672.45x = 4,005.89 × 1,500.74
  4. Step 4: Simplify right side
    2,672.45x = 6,011,771.83
  5. Step 5: Solve for x
    x = 6,011,771.83/2,672.45
  6. Step 6: Final answer
    x = 2,249.54

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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.