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Finding the Fourth Proportional to 2,876.83, 3,965.79 and 2,034.93

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Solution

The fourth proportional to 2,876.83, 3,965.79 and 2,034.93 is: 2,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.83 : 3,965.79 = 2,034.93 : x
  2. Step 2: Convert to fraction form
    2,876.83/3,965.79 = 2,034.93/x
  3. Step 3: Cross multiply
    2,876.83x = 3,965.79 × 2,034.93
  4. Step 4: Simplify right side
    2,876.83x = 8,070,127.55
  5. Step 5: Solve for x
    x = 8,070,127.55/2,876.83
  6. Step 6: Final answer
    x = 2,805.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.