Home / 4,945.53-7,413.08-3,385.12

Finding the Fourth Proportional to 4,945.53, 7,413.08 and 3,385.12

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Solution

The fourth proportional to 4,945.53, 7,413.08 and 3,385.12 is: 5,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.53 : 7,413.08 = 3,385.12 : x
  2. Step 2: Convert to fraction form
    4,945.53/7,413.08 = 3,385.12/x
  3. Step 3: Cross multiply
    4,945.53x = 7,413.08 × 3,385.12
  4. Step 4: Simplify right side
    4,945.53x = 25,094,155.30
  5. Step 5: Solve for x
    x = 25,094,155.30/4,945.53
  6. Step 6: Final answer
    x = 5,074.11

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1.5x scale

Why These Related Problems?

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