Home / 5,125.20-7,692.60-4,395.60

Finding the Fourth Proportional to 5,125.20, 7,692.60 and 4,395.60

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Solution

The fourth proportional to 5,125.20, 7,692.60 and 4,395.60 is: 6,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.20 : 7,692.60 = 4,395.60 : x
  2. Step 2: Convert to fraction form
    5,125.20/7,692.60 = 4,395.60/x
  3. Step 3: Cross multiply
    5,125.20x = 7,692.60 × 4,395.60
  4. Step 4: Simplify right side
    5,125.20x = 33,813,592.56
  5. Step 5: Solve for x
    x = 33,813,592.56/5,125.20
  6. Step 6: Final answer
    x = 6,597.52

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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.