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Finding the Fourth Proportional to 5,007.39, 6,910.47 and 2,883

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Solution

The fourth proportional to 5,007.39, 6,910.47 and 2,883 is: 3,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.39 : 6,910.47 = 2,883 : x
  2. Step 2: Convert to fraction form
    5,007.39/6,910.47 = 2,883/x
  3. Step 3: Cross multiply
    5,007.39x = 6,910.47 × 2,883
  4. Step 4: Simplify right side
    5,007.39x = 19,922,885.01
  5. Step 5: Solve for x
    x = 19,922,885.01/5,007.39
  6. Step 6: Final answer
    x = 3,978.70

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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.