Home / 5,421.94-8,136.25-2,500.47

Finding the Fourth Proportional to 5,421.94, 8,136.25 and 2,500.47

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Solution

The fourth proportional to 5,421.94, 8,136.25 and 2,500.47 is: 3,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.94 : 8,136.25 = 2,500.47 : x
  2. Step 2: Convert to fraction form
    5,421.94/8,136.25 = 2,500.47/x
  3. Step 3: Cross multiply
    5,421.94x = 8,136.25 × 2,500.47
  4. Step 4: Simplify right side
    5,421.94x = 20,344,442.79
  5. Step 5: Solve for x
    x = 20,344,442.79/5,421.94
  6. Step 6: Final answer
    x = 3,752.25

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