Home / 5,152.35-7,110.21-2,883.70

Finding the Fourth Proportional to 5,152.35, 7,110.21 and 2,883.70

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Solution

The fourth proportional to 5,152.35, 7,110.21 and 2,883.70 is: 3,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.35 : 7,110.21 = 2,883.70 : x
  2. Step 2: Convert to fraction form
    5,152.35/7,110.21 = 2,883.70/x
  3. Step 3: Cross multiply
    5,152.35x = 7,110.21 × 2,883.70
  4. Step 4: Simplify right side
    5,152.35x = 20,503,676.06
  5. Step 5: Solve for x
    x = 20,503,676.06/5,152.35
  6. Step 6: Final answer
    x = 3,979.48

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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.