Home / 7,201.20-10,798.36-3,692.89

Finding the Fourth Proportional to 7,201.20, 10,798.36 and 3,692.89

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Solution

The fourth proportional to 7,201.20, 10,798.36 and 3,692.89 is: 5,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.20 : 10,798.36 = 3,692.89 : x
  2. Step 2: Convert to fraction form
    7,201.20/10,798.36 = 3,692.89/x
  3. Step 3: Cross multiply
    7,201.20x = 10,798.36 × 3,692.89
  4. Step 4: Simplify right side
    7,201.20x = 39,877,180.70
  5. Step 5: Solve for x
    x = 39,877,180.70/7,201.20
  6. Step 6: Final answer
    x = 5,537.57

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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.