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Finding the Fourth Proportional to 4,230.71, 5,837.55 and 2,657.89

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Solution

The fourth proportional to 4,230.71, 5,837.55 and 2,657.89 is: 3,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.71 : 5,837.55 = 2,657.89 : x
  2. Step 2: Convert to fraction form
    4,230.71/5,837.55 = 2,657.89/x
  3. Step 3: Cross multiply
    4,230.71x = 5,837.55 × 2,657.89
  4. Step 4: Simplify right side
    4,230.71x = 15,515,580.36
  5. Step 5: Solve for x
    x = 15,515,580.36/4,230.71
  6. Step 6: Final answer
    x = 3,667.37

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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.