Home / 5,199.29-7,175.08-2,961.46

Finding the Fourth Proportional to 5,199.29, 7,175.08 and 2,961.46

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Solution

The fourth proportional to 5,199.29, 7,175.08 and 2,961.46 is: 4,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.29 : 7,175.08 = 2,961.46 : x
  2. Step 2: Convert to fraction form
    5,199.29/7,175.08 = 2,961.46/x
  3. Step 3: Cross multiply
    5,199.29x = 7,175.08 × 2,961.46
  4. Step 4: Simplify right side
    5,199.29x = 21,248,725.09
  5. Step 5: Solve for x
    x = 21,248,725.09/5,199.29
  6. Step 6: Final answer
    x = 4,086.85

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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.