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Finding the Fourth Proportional to 6,131, 8,460.78 and 3,336.52

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Solution

The fourth proportional to 6,131, 8,460.78 and 3,336.52 is: 4,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131 : 8,460.78 = 3,336.52 : x
  2. Step 2: Convert to fraction form
    6,131/8,460.78 = 3,336.52/x
  3. Step 3: Cross multiply
    6,131x = 8,460.78 × 3,336.52
  4. Step 4: Simplify right side
    6,131x = 28,229,561.69
  5. Step 5: Solve for x
    x = 28,229,561.69/6,131
  6. Step 6: Final answer
    x = 4,604.40

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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.