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Finding the Fourth Proportional to 4,983.82, 6,877.35 and 2,858.89

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Solution

The fourth proportional to 4,983.82, 6,877.35 and 2,858.89 is: 3,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.82 : 6,877.35 = 2,858.89 : x
  2. Step 2: Convert to fraction form
    4,983.82/6,877.35 = 2,858.89/x
  3. Step 3: Cross multiply
    4,983.82x = 6,877.35 × 2,858.89
  4. Step 4: Simplify right side
    4,983.82x = 19,661,587.14
  5. Step 5: Solve for x
    x = 19,661,587.14/4,983.82
  6. Step 6: Final answer
    x = 3,945.08

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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.