Home / 6,401.58-8,833.20-3,606.54

Finding the Fourth Proportional to 6,401.58, 8,833.20 and 3,606.54

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Solution

The fourth proportional to 6,401.58, 8,833.20 and 3,606.54 is: 4,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401.58 : 8,833.20 = 3,606.54 : x
  2. Step 2: Convert to fraction form
    6,401.58/8,833.20 = 3,606.54/x
  3. Step 3: Cross multiply
    6,401.58x = 8,833.20 × 3,606.54
  4. Step 4: Simplify right side
    6,401.58x = 31,857,289.13
  5. Step 5: Solve for x
    x = 31,857,289.13/6,401.58
  6. Step 6: Final answer
    x = 4,976.47

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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.