Home / 5,503.02-7,583.67-3,928.38

Finding the Fourth Proportional to 5,503.02, 7,583.67 and 3,928.38

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Solution

The fourth proportional to 5,503.02, 7,583.67 and 3,928.38 is: 5,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.02 : 7,583.67 = 3,928.38 : x
  2. Step 2: Convert to fraction form
    5,503.02/7,583.67 = 3,928.38/x
  3. Step 3: Cross multiply
    5,503.02x = 7,583.67 × 3,928.38
  4. Step 4: Simplify right side
    5,503.02x = 29,791,537.55
  5. Step 5: Solve for x
    x = 29,791,537.55/5,503.02
  6. Step 6: Final answer
    x = 5,413.67

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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.