Home / 3,692.24-5,541.59-1,615.40

Finding the Fourth Proportional to 3,692.24, 5,541.59 and 1,615.40

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Solution

The fourth proportional to 3,692.24, 5,541.59 and 1,615.40 is: 2,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.24 : 5,541.59 = 1,615.40 : x
  2. Step 2: Convert to fraction form
    3,692.24/5,541.59 = 1,615.40/x
  3. Step 3: Cross multiply
    3,692.24x = 5,541.59 × 1,615.40
  4. Step 4: Simplify right side
    3,692.24x = 8,951,860.82
  5. Step 5: Solve for x
    x = 8,951,860.82/3,692.24
  6. Step 6: Final answer
    x = 2,424.51

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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.