Home / 5,451.02-8,158.30-4,792.49

Finding the Fourth Proportional to 5,451.02, 8,158.30 and 4,792.49

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Solution

The fourth proportional to 5,451.02, 8,158.30 and 4,792.49 is: 7,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.02 : 8,158.30 = 4,792.49 : x
  2. Step 2: Convert to fraction form
    5,451.02/8,158.30 = 4,792.49/x
  3. Step 3: Cross multiply
    5,451.02x = 8,158.30 × 4,792.49
  4. Step 4: Simplify right side
    5,451.02x = 39,098,571.17
  5. Step 5: Solve for x
    x = 39,098,571.17/5,451.02
  6. Step 6: Final answer
    x = 7,172.71

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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.