Home / 5,222.02-7,829.94-2,103.52

Finding the Fourth Proportional to 5,222.02, 7,829.94 and 2,103.52

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Solution

The fourth proportional to 5,222.02, 7,829.94 and 2,103.52 is: 3,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.02 : 7,829.94 = 2,103.52 : x
  2. Step 2: Convert to fraction form
    5,222.02/7,829.94 = 2,103.52/x
  3. Step 3: Cross multiply
    5,222.02x = 7,829.94 × 2,103.52
  4. Step 4: Simplify right side
    5,222.02x = 16,470,435.39
  5. Step 5: Solve for x
    x = 16,470,435.39/5,222.02
  6. Step 6: Final answer
    x = 3,154.04

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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.