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Finding the Fourth Proportional to 5,693.89, 7,856.97 and 3,335.59

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Solution

The fourth proportional to 5,693.89, 7,856.97 and 3,335.59 is: 4,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.89 : 7,856.97 = 3,335.59 : x
  2. Step 2: Convert to fraction form
    5,693.89/7,856.97 = 3,335.59/x
  3. Step 3: Cross multiply
    5,693.89x = 7,856.97 × 3,335.59
  4. Step 4: Simplify right side
    5,693.89x = 26,207,630.56
  5. Step 5: Solve for x
    x = 26,207,630.56/5,693.89
  6. Step 6: Final answer
    x = 4,602.76

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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.