Home / 7,413.28-10,230.20-4,056

Finding the Fourth Proportional to 7,413.28, 10,230.20 and 4,056

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Solution

The fourth proportional to 7,413.28, 10,230.20 and 4,056 is: 5,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.28 : 10,230.20 = 4,056 : x
  2. Step 2: Convert to fraction form
    7,413.28/10,230.20 = 4,056/x
  3. Step 3: Cross multiply
    7,413.28x = 10,230.20 × 4,056
  4. Step 4: Simplify right side
    7,413.28x = 41,493,691.20
  5. Step 5: Solve for x
    x = 41,493,691.20/7,413.28
  6. Step 6: Final answer
    x = 5,597.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.