Home / 6,362.52-8,780.36-3,529.96

Finding the Fourth Proportional to 6,362.52, 8,780.36 and 3,529.96

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Solution

The fourth proportional to 6,362.52, 8,780.36 and 3,529.96 is: 4,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.52 : 8,780.36 = 3,529.96 : x
  2. Step 2: Convert to fraction form
    6,362.52/8,780.36 = 3,529.96/x
  3. Step 3: Cross multiply
    6,362.52x = 8,780.36 × 3,529.96
  4. Step 4: Simplify right side
    6,362.52x = 30,994,319.59
  5. Step 5: Solve for x
    x = 30,994,319.59/6,362.52
  6. Step 6: Final answer
    x = 4,871.39

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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.