Home / 4,700.12-7,051.26-1,413.28

Finding the Fourth Proportional to 4,700.12, 7,051.26 and 1,413.28

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Solution

The fourth proportional to 4,700.12, 7,051.26 and 1,413.28 is: 2,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.12 : 7,051.26 = 1,413.28 : x
  2. Step 2: Convert to fraction form
    4,700.12/7,051.26 = 1,413.28/x
  3. Step 3: Cross multiply
    4,700.12x = 7,051.26 × 1,413.28
  4. Step 4: Simplify right side
    4,700.12x = 9,965,404.73
  5. Step 5: Solve for x
    x = 9,965,404.73/4,700.12
  6. Step 6: Final answer
    x = 2,120.24

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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.