Home / 4,100.34-5,655.42-3,214.38

Finding the Fourth Proportional to 4,100.34, 5,655.42 and 3,214.38

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Solution

The fourth proportional to 4,100.34, 5,655.42 and 3,214.38 is: 4,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.34 : 5,655.42 = 3,214.38 : x
  2. Step 2: Convert to fraction form
    4,100.34/5,655.42 = 3,214.38/x
  3. Step 3: Cross multiply
    4,100.34x = 5,655.42 × 3,214.38
  4. Step 4: Simplify right side
    4,100.34x = 18,178,668.94
  5. Step 5: Solve for x
    x = 18,178,668.94/4,100.34
  6. Step 6: Final answer
    x = 4,433.45

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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.