Home / 5,191.44-7,146.60-4,692.48

Finding the Fourth Proportional to 5,191.44, 7,146.60 and 4,692.48

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Solution

The fourth proportional to 5,191.44, 7,146.60 and 4,692.48 is: 6,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.44 : 7,146.60 = 4,692.48 : x
  2. Step 2: Convert to fraction form
    5,191.44/7,146.60 = 4,692.48/x
  3. Step 3: Cross multiply
    5,191.44x = 7,146.60 × 4,692.48
  4. Step 4: Simplify right side
    5,191.44x = 33,535,277.57
  5. Step 5: Solve for x
    x = 33,535,277.57/5,191.44
  6. Step 6: Final answer
    x = 6,459.73

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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.