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Finding the Fourth Proportional to 5,007.63, 6,910.79 and 2,883.48

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Solution

The fourth proportional to 5,007.63, 6,910.79 and 2,883.48 is: 3,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.63 : 6,910.79 = 2,883.48 : x
  2. Step 2: Convert to fraction form
    5,007.63/6,910.79 = 2,883.48/x
  3. Step 3: Cross multiply
    5,007.63x = 6,910.79 × 2,883.48
  4. Step 4: Simplify right side
    5,007.63x = 19,927,124.75
  5. Step 5: Solve for x
    x = 19,927,124.75/5,007.63
  6. Step 6: Final answer
    x = 3,979.35

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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.