Home / 5,931.30-8,185.58-3,413.72

Finding the Fourth Proportional to 5,931.30, 8,185.58 and 3,413.72

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Solution

The fourth proportional to 5,931.30, 8,185.58 and 3,413.72 is: 4,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.30 : 8,185.58 = 3,413.72 : x
  2. Step 2: Convert to fraction form
    5,931.30/8,185.58 = 3,413.72/x
  3. Step 3: Cross multiply
    5,931.30x = 8,185.58 × 3,413.72
  4. Step 4: Simplify right side
    5,931.30x = 27,943,278.16
  5. Step 5: Solve for x
    x = 27,943,278.16/5,931.30
  6. Step 6: Final answer
    x = 4,711.16

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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.