Home / 3,692.30-5,534.85-1,382.18

Finding the Fourth Proportional to 3,692.30, 5,534.85 and 1,382.18

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Solution

The fourth proportional to 3,692.30, 5,534.85 and 1,382.18 is: 2,071.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.30 : 5,534.85 = 1,382.18 : x
  2. Step 2: Convert to fraction form
    3,692.30/5,534.85 = 1,382.18/x
  3. Step 3: Cross multiply
    3,692.30x = 5,534.85 × 1,382.18
  4. Step 4: Simplify right side
    3,692.30x = 7,650,158.97
  5. Step 5: Solve for x
    x = 7,650,158.97/3,692.30
  6. Step 6: Final answer
    x = 2,071.92

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1.5x scale

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.