Home / 2,863.53-3,953.43-2,199.09

Finding the Fourth Proportional to 2,863.53, 3,953.43 and 2,199.09

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Solution

The fourth proportional to 2,863.53, 3,953.43 and 2,199.09 is: 3,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.53 : 3,953.43 = 2,199.09 : x
  2. Step 2: Convert to fraction form
    2,863.53/3,953.43 = 2,199.09/x
  3. Step 3: Cross multiply
    2,863.53x = 3,953.43 × 2,199.09
  4. Step 4: Simplify right side
    2,863.53x = 8,693,948.38
  5. Step 5: Solve for x
    x = 8,693,948.38/2,863.53
  6. Step 6: Final answer
    x = 3,036.09

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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.