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Finding the Fourth Proportional to 5,003.70, 6,904.51 and 2,765.44

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Solution

The fourth proportional to 5,003.70, 6,904.51 and 2,765.44 is: 3,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.70 : 6,904.51 = 2,765.44 : x
  2. Step 2: Convert to fraction form
    5,003.70/6,904.51 = 2,765.44/x
  3. Step 3: Cross multiply
    5,003.70x = 6,904.51 × 2,765.44
  4. Step 4: Simplify right side
    5,003.70x = 19,094,008.13
  5. Step 5: Solve for x
    x = 19,094,008.13/5,003.70
  6. Step 6: Final answer
    x = 3,815.98

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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.