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Finding the Fourth Proportional to 3,158.91, 4,728.50 and 2,326.91

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Solution

The fourth proportional to 3,158.91, 4,728.50 and 2,326.91 is: 3,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.91 : 4,728.50 = 2,326.91 : x
  2. Step 2: Convert to fraction form
    3,158.91/4,728.50 = 2,326.91/x
  3. Step 3: Cross multiply
    3,158.91x = 4,728.50 × 2,326.91
  4. Step 4: Simplify right side
    3,158.91x = 11,002,793.84
  5. Step 5: Solve for x
    x = 11,002,793.84/3,158.91
  6. Step 6: Final answer
    x = 3,483.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.