Home / 5,692.58-8,539.78-2,405.70

Finding the Fourth Proportional to 5,692.58, 8,539.78 and 2,405.70

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Solution

The fourth proportional to 5,692.58, 8,539.78 and 2,405.70 is: 3,608.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.58 : 8,539.78 = 2,405.70 : x
  2. Step 2: Convert to fraction form
    5,692.58/8,539.78 = 2,405.70/x
  3. Step 3: Cross multiply
    5,692.58x = 8,539.78 × 2,405.70
  4. Step 4: Simplify right side
    5,692.58x = 20,544,148.75
  5. Step 5: Solve for x
    x = 20,544,148.75/5,692.58
  6. Step 6: Final answer
    x = 3,608.93

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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.