Home / 5,930.78-8,184.39-3,574.22

Finding the Fourth Proportional to 5,930.78, 8,184.39 and 3,574.22

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Solution

The fourth proportional to 5,930.78, 8,184.39 and 3,574.22 is: 4,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.78 : 8,184.39 = 3,574.22 : x
  2. Step 2: Convert to fraction form
    5,930.78/8,184.39 = 3,574.22/x
  3. Step 3: Cross multiply
    5,930.78x = 8,184.39 × 3,574.22
  4. Step 4: Simplify right side
    5,930.78x = 29,252,810.43
  5. Step 5: Solve for x
    x = 29,252,810.43/5,930.78
  6. Step 6: Final answer
    x = 4,932.37

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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.