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Finding the Fourth Proportional to 5,802.71, 8,007.39 and 3,413.11

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Solution

The fourth proportional to 5,802.71, 8,007.39 and 3,413.11 is: 4,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.71 : 8,007.39 = 3,413.11 : x
  2. Step 2: Convert to fraction form
    5,802.71/8,007.39 = 3,413.11/x
  3. Step 3: Cross multiply
    5,802.71x = 8,007.39 × 3,413.11
  4. Step 4: Simplify right side
    5,802.71x = 27,330,120.40
  5. Step 5: Solve for x
    x = 27,330,120.40/5,802.71
  6. Step 6: Final answer
    x = 4,709.89

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1.5x scale

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.