Home / 5,347.20-8,012.16-3,612.72

Finding the Fourth Proportional to 5,347.20, 8,012.16 and 3,612.72

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Solution

The fourth proportional to 5,347.20, 8,012.16 and 3,612.72 is: 5,413.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.20 : 8,012.16 = 3,612.72 : x
  2. Step 2: Convert to fraction form
    5,347.20/8,012.16 = 3,612.72/x
  3. Step 3: Cross multiply
    5,347.20x = 8,012.16 × 3,612.72
  4. Step 4: Simplify right side
    5,347.20x = 28,945,690.68
  5. Step 5: Solve for x
    x = 28,945,690.68/5,347.20
  6. Step 6: Final answer
    x = 5,413.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.