Home / 5,389.44-8,081.60-1,924.48

Finding the Fourth Proportional to 5,389.44, 8,081.60 and 1,924.48

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Solution

The fourth proportional to 5,389.44, 8,081.60 and 1,924.48 is: 2,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.44 : 8,081.60 = 1,924.48 : x
  2. Step 2: Convert to fraction form
    5,389.44/8,081.60 = 1,924.48/x
  3. Step 3: Cross multiply
    5,389.44x = 8,081.60 × 1,924.48
  4. Step 4: Simplify right side
    5,389.44x = 15,552,877.57
  5. Step 5: Solve for x
    x = 15,552,877.57/5,389.44
  6. Step 6: Final answer
    x = 2,885.81

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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.