Home / 5,692.38-8,538.70-1,743.72

Finding the Fourth Proportional to 5,692.38, 8,538.70 and 1,743.72

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Solution

The fourth proportional to 5,692.38, 8,538.70 and 1,743.72 is: 2,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.38 : 8,538.70 = 1,743.72 : x
  2. Step 2: Convert to fraction form
    5,692.38/8,538.70 = 1,743.72/x
  3. Step 3: Cross multiply
    5,692.38x = 8,538.70 × 1,743.72
  4. Step 4: Simplify right side
    5,692.38x = 14,889,101.96
  5. Step 5: Solve for x
    x = 14,889,101.96/5,692.38
  6. Step 6: Final answer
    x = 2,615.62

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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.