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Finding the Fourth Proportional to 3,774.52, 5,663.32 and 1,693.12

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Solution

The fourth proportional to 3,774.52, 5,663.32 and 1,693.12 is: 2,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.52 : 5,663.32 = 1,693.12 : x
  2. Step 2: Convert to fraction form
    3,774.52/5,663.32 = 1,693.12/x
  3. Step 3: Cross multiply
    3,774.52x = 5,663.32 × 1,693.12
  4. Step 4: Simplify right side
    3,774.52x = 9,588,680.36
  5. Step 5: Solve for x
    x = 9,588,680.36/3,774.52
  6. Step 6: Final answer
    x = 2,540.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.