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Finding the Fourth Proportional to 3,158.52, 4,754.85 and 2,841

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Solution

The fourth proportional to 3,158.52, 4,754.85 and 2,841 is: 4,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.52 : 4,754.85 = 2,841 : x
  2. Step 2: Convert to fraction form
    3,158.52/4,754.85 = 2,841/x
  3. Step 3: Cross multiply
    3,158.52x = 4,754.85 × 2,841
  4. Step 4: Simplify right side
    3,158.52x = 13,508,528.85
  5. Step 5: Solve for x
    x = 13,508,528.85/3,158.52
  6. Step 6: Final answer
    x = 4,276.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.