Home / 3,529.67-5,294.72-1,189.48

Finding the Fourth Proportional to 3,529.67, 5,294.72 and 1,189.48

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Solution

The fourth proportional to 3,529.67, 5,294.72 and 1,189.48 is: 1,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.67 : 5,294.72 = 1,189.48 : x
  2. Step 2: Convert to fraction form
    3,529.67/5,294.72 = 1,189.48/x
  3. Step 3: Cross multiply
    3,529.67x = 5,294.72 × 1,189.48
  4. Step 4: Simplify right side
    3,529.67x = 6,297,963.55
  5. Step 5: Solve for x
    x = 6,297,963.55/3,529.67
  6. Step 6: Final answer
    x = 1,784.29

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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.