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Finding the Fourth Proportional to 2,543.84, 3,813.92 and 1,156.46

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Solution

The fourth proportional to 2,543.84, 3,813.92 and 1,156.46 is: 1,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.84 : 3,813.92 = 1,156.46 : x
  2. Step 2: Convert to fraction form
    2,543.84/3,813.92 = 1,156.46/x
  3. Step 3: Cross multiply
    2,543.84x = 3,813.92 × 1,156.46
  4. Step 4: Simplify right side
    2,543.84x = 4,410,645.92
  5. Step 5: Solve for x
    x = 4,410,645.92/2,543.84
  6. Step 6: Final answer
    x = 1,733.85

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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.