Home / 5,648.73-8,478.27-2,877.39

Finding the Fourth Proportional to 5,648.73, 8,478.27 and 2,877.39

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Solution

The fourth proportional to 5,648.73, 8,478.27 and 2,877.39 is: 4,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.73 : 8,478.27 = 2,877.39 : x
  2. Step 2: Convert to fraction form
    5,648.73/8,478.27 = 2,877.39/x
  3. Step 3: Cross multiply
    5,648.73x = 8,478.27 × 2,877.39
  4. Step 4: Simplify right side
    5,648.73x = 24,395,289.32
  5. Step 5: Solve for x
    x = 24,395,289.32/5,648.73
  6. Step 6: Final answer
    x = 4,318.72

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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.