Home / 5,830.47-8,046.22-3,178.05

Finding the Fourth Proportional to 5,830.47, 8,046.22 and 3,178.05

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Solution

The fourth proportional to 5,830.47, 8,046.22 and 3,178.05 is: 4,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,830.47 : 8,046.22 = 3,178.05 : x
  2. Step 2: Convert to fraction form
    5,830.47/8,046.22 = 3,178.05/x
  3. Step 3: Cross multiply
    5,830.47x = 8,046.22 × 3,178.05
  4. Step 4: Simplify right side
    5,830.47x = 25,571,253.47
  5. Step 5: Solve for x
    x = 25,571,253.47/5,830.47
  6. Step 6: Final answer
    x = 4,385.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.