Home / 5,695.83-7,860.04-3,177.90

Finding the Fourth Proportional to 5,695.83, 7,860.04 and 3,177.90

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Solution

The fourth proportional to 5,695.83, 7,860.04 and 3,177.90 is: 4,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.83 : 7,860.04 = 3,177.90 : x
  2. Step 2: Convert to fraction form
    5,695.83/7,860.04 = 3,177.90/x
  3. Step 3: Cross multiply
    5,695.83x = 7,860.04 × 3,177.90
  4. Step 4: Simplify right side
    5,695.83x = 24,978,413.17
  5. Step 5: Solve for x
    x = 24,978,413.17/5,695.83
  6. Step 6: Final answer
    x = 4,385.39

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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.