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Finding the Fourth Proportional to 3,141.94, 4,712.43 and 833.42

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Solution

The fourth proportional to 3,141.94, 4,712.43 and 833.42 is: 1,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.94 : 4,712.43 = 833.42 : x
  2. Step 2: Convert to fraction form
    3,141.94/4,712.43 = 833.42/x
  3. Step 3: Cross multiply
    3,141.94x = 4,712.43 × 833.42
  4. Step 4: Simplify right side
    3,141.94x = 3,927,433.41
  5. Step 5: Solve for x
    x = 3,927,433.41/3,141.94
  6. Step 6: Final answer
    x = 1,250.00

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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.