Home / 3,030.18-4,183.71-2,320.77

Finding the Fourth Proportional to 3,030.18, 4,183.71 and 2,320.77

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Solution

The fourth proportional to 3,030.18, 4,183.71 and 2,320.77 is: 3,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.18 : 4,183.71 = 2,320.77 : x
  2. Step 2: Convert to fraction form
    3,030.18/4,183.71 = 2,320.77/x
  3. Step 3: Cross multiply
    3,030.18x = 4,183.71 × 2,320.77
  4. Step 4: Simplify right side
    3,030.18x = 9,709,413.54
  5. Step 5: Solve for x
    x = 9,709,413.54/3,030.18
  6. Step 6: Final answer
    x = 3,204.24

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Half scale
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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.