Home / 5,152.33-7,727.60-2,378.77

Finding the Fourth Proportional to 5,152.33, 7,727.60 and 2,378.77

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Solution

The fourth proportional to 5,152.33, 7,727.60 and 2,378.77 is: 3,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.33 : 7,727.60 = 2,378.77 : x
  2. Step 2: Convert to fraction form
    5,152.33/7,727.60 = 2,378.77/x
  3. Step 3: Cross multiply
    5,152.33x = 7,727.60 × 2,378.77
  4. Step 4: Simplify right side
    5,152.33x = 18,382,138.47
  5. Step 5: Solve for x
    x = 18,382,138.47/5,152.33
  6. Step 6: Final answer
    x = 3,567.73

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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.