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Finding the Fourth Proportional to 4,657.86, 6,427.90 and 2,562

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Solution

The fourth proportional to 4,657.86, 6,427.90 and 2,562 is: 3,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.86 : 6,427.90 = 2,562 : x
  2. Step 2: Convert to fraction form
    4,657.86/6,427.90 = 2,562/x
  3. Step 3: Cross multiply
    4,657.86x = 6,427.90 × 2,562
  4. Step 4: Simplify right side
    4,657.86x = 16,468,279.80
  5. Step 5: Solve for x
    x = 16,468,279.80/4,657.86
  6. Step 6: Final answer
    x = 3,535.59

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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.