Home / 5,607.78-8,397.82-4,179.60

Finding the Fourth Proportional to 5,607.78, 8,397.82 and 4,179.60

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Solution

The fourth proportional to 5,607.78, 8,397.82 and 4,179.60 is: 6,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.78 : 8,397.82 = 4,179.60 : x
  2. Step 2: Convert to fraction form
    5,607.78/8,397.82 = 4,179.60/x
  3. Step 3: Cross multiply
    5,607.78x = 8,397.82 × 4,179.60
  4. Step 4: Simplify right side
    5,607.78x = 35,099,545.45
  5. Step 5: Solve for x
    x = 35,099,545.45/5,607.78
  6. Step 6: Final answer
    x = 6,259.08

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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.