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Finding the Fourth Proportional to 5,003.91, 6,905.93 and 2,850.93

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Solution

The fourth proportional to 5,003.91, 6,905.93 and 2,850.93 is: 3,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.91 : 6,905.93 = 2,850.93 : x
  2. Step 2: Convert to fraction form
    5,003.91/6,905.93 = 2,850.93/x
  3. Step 3: Cross multiply
    5,003.91x = 6,905.93 × 2,850.93
  4. Step 4: Simplify right side
    5,003.91x = 19,688,308.76
  5. Step 5: Solve for x
    x = 19,688,308.76/5,003.91
  6. Step 6: Final answer
    x = 3,934.58

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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.