Home / 3,097.33-4,272.91-1,838.43

Finding the Fourth Proportional to 3,097.33, 4,272.91 and 1,838.43

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Solution

The fourth proportional to 3,097.33, 4,272.91 and 1,838.43 is: 2,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.33 : 4,272.91 = 1,838.43 : x
  2. Step 2: Convert to fraction form
    3,097.33/4,272.91 = 1,838.43/x
  3. Step 3: Cross multiply
    3,097.33x = 4,272.91 × 1,838.43
  4. Step 4: Simplify right side
    3,097.33x = 7,855,445.93
  5. Step 5: Solve for x
    x = 7,855,445.93/3,097.33
  6. Step 6: Final answer
    x = 2,536.20

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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.