Home / 4,837.87-6,676.34-2,821.23

Finding the Fourth Proportional to 4,837.87, 6,676.34 and 2,821.23

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Solution

The fourth proportional to 4,837.87, 6,676.34 and 2,821.23 is: 3,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.87 : 6,676.34 = 2,821.23 : x
  2. Step 2: Convert to fraction form
    4,837.87/6,676.34 = 2,821.23/x
  3. Step 3: Cross multiply
    4,837.87x = 6,676.34 × 2,821.23
  4. Step 4: Simplify right side
    4,837.87x = 18,835,507.39
  5. Step 5: Solve for x
    x = 18,835,507.39/4,837.87
  6. Step 6: Final answer
    x = 3,893.35

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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.