Home / 2,621.14-3,615.96-1,676.48

Finding the Fourth Proportional to 2,621.14, 3,615.96 and 1,676.48

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Solution

The fourth proportional to 2,621.14, 3,615.96 and 1,676.48 is: 2,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.14 : 3,615.96 = 1,676.48 : x
  2. Step 2: Convert to fraction form
    2,621.14/3,615.96 = 1,676.48/x
  3. Step 3: Cross multiply
    2,621.14x = 3,615.96 × 1,676.48
  4. Step 4: Simplify right side
    2,621.14x = 6,062,084.62
  5. Step 5: Solve for x
    x = 6,062,084.62/2,621.14
  6. Step 6: Final answer
    x = 2,312.77

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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.