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Finding the Fourth Proportional to 2,891.84, 4,336.14 and 1,158.44

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Solution

The fourth proportional to 2,891.84, 4,336.14 and 1,158.44 is: 1,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.84 : 4,336.14 = 1,158.44 : x
  2. Step 2: Convert to fraction form
    2,891.84/4,336.14 = 1,158.44/x
  3. Step 3: Cross multiply
    2,891.84x = 4,336.14 × 1,158.44
  4. Step 4: Simplify right side
    2,891.84x = 5,023,158.02
  5. Step 5: Solve for x
    x = 5,023,158.02/2,891.84
  6. Step 6: Final answer
    x = 1,737.01

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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.