Home / 4,867.66-7,301.85-1,405.18

Finding the Fourth Proportional to 4,867.66, 7,301.85 and 1,405.18

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Solution

The fourth proportional to 4,867.66, 7,301.85 and 1,405.18 is: 2,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.66 : 7,301.85 = 1,405.18 : x
  2. Step 2: Convert to fraction form
    4,867.66/7,301.85 = 1,405.18/x
  3. Step 3: Cross multiply
    4,867.66x = 7,301.85 × 1,405.18
  4. Step 4: Simplify right side
    4,867.66x = 10,260,413.58
  5. Step 5: Solve for x
    x = 10,260,413.58/4,867.66
  6. Step 6: Final answer
    x = 2,107.87

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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.