Home / 3,692.92-5,098.28-2,515.72

Finding the Fourth Proportional to 3,692.92, 5,098.28 and 2,515.72

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Solution

The fourth proportional to 3,692.92, 5,098.28 and 2,515.72 is: 3,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.92 : 5,098.28 = 2,515.72 : x
  2. Step 2: Convert to fraction form
    3,692.92/5,098.28 = 2,515.72/x
  3. Step 3: Cross multiply
    3,692.92x = 5,098.28 × 2,515.72
  4. Step 4: Simplify right side
    3,692.92x = 12,825,844.96
  5. Step 5: Solve for x
    x = 12,825,844.96/3,692.92
  6. Step 6: Final answer
    x = 3,473.09

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1.5x scale

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.