Home / 7,445.04-11,158.20-3,540.48

Finding the Fourth Proportional to 7,445.04, 11,158.20 and 3,540.48

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Solution

The fourth proportional to 7,445.04, 11,158.20 and 3,540.48 is: 5,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.04 : 11,158.20 = 3,540.48 : x
  2. Step 2: Convert to fraction form
    7,445.04/11,158.20 = 3,540.48/x
  3. Step 3: Cross multiply
    7,445.04x = 11,158.20 × 3,540.48
  4. Step 4: Simplify right side
    7,445.04x = 39,505,383.94
  5. Step 5: Solve for x
    x = 39,505,383.94/7,445.04
  6. Step 6: Final answer
    x = 5,306.27

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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.