Home / 3,536.26-4,877.62-2,118.96

Finding the Fourth Proportional to 3,536.26, 4,877.62 and 2,118.96

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Solution

The fourth proportional to 3,536.26, 4,877.62 and 2,118.96 is: 2,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.26 : 4,877.62 = 2,118.96 : x
  2. Step 2: Convert to fraction form
    3,536.26/4,877.62 = 2,118.96/x
  3. Step 3: Cross multiply
    3,536.26x = 4,877.62 × 2,118.96
  4. Step 4: Simplify right side
    3,536.26x = 10,335,476.38
  5. Step 5: Solve for x
    x = 10,335,476.38/3,536.26
  6. Step 6: Final answer
    x = 2,922.72

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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.