Home / 4,876.12-7,314.06-1,413.40

Finding the Fourth Proportional to 4,876.12, 7,314.06 and 1,413.40

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Solution

The fourth proportional to 4,876.12, 7,314.06 and 1,413.40 is: 2,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.12 : 7,314.06 = 1,413.40 : x
  2. Step 2: Convert to fraction form
    4,876.12/7,314.06 = 1,413.40/x
  3. Step 3: Cross multiply
    4,876.12x = 7,314.06 × 1,413.40
  4. Step 4: Simplify right side
    4,876.12x = 10,337,692.40
  5. Step 5: Solve for x
    x = 10,337,692.40/4,876.12
  6. Step 6: Final answer
    x = 2,120.07

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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.