Home / 4,700.31-7,050.82-1,413.66

Finding the Fourth Proportional to 4,700.31, 7,050.82 and 1,413.66

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Solution

The fourth proportional to 4,700.31, 7,050.82 and 1,413.66 is: 2,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.31 : 7,050.82 = 1,413.66 : x
  2. Step 2: Convert to fraction form
    4,700.31/7,050.82 = 1,413.66/x
  3. Step 3: Cross multiply
    4,700.31x = 7,050.82 × 1,413.66
  4. Step 4: Simplify right side
    4,700.31x = 9,967,462.20
  5. Step 5: Solve for x
    x = 9,967,462.20/4,700.31
  6. Step 6: Final answer
    x = 2,120.60

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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.