Home / 5,086.88-7,630.36-1,800.53

Finding the Fourth Proportional to 5,086.88, 7,630.36 and 1,800.53

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Solution

The fourth proportional to 5,086.88, 7,630.36 and 1,800.53 is: 2,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.88 : 7,630.36 = 1,800.53 : x
  2. Step 2: Convert to fraction form
    5,086.88/7,630.36 = 1,800.53/x
  3. Step 3: Cross multiply
    5,086.88x = 7,630.36 × 1,800.53
  4. Step 4: Simplify right side
    5,086.88x = 13,738,653.94
  5. Step 5: Solve for x
    x = 13,738,653.94/5,086.88
  6. Step 6: Final answer
    x = 2,700.80

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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.