Home / 7,452.78-11,184.33-2,777.04

Finding the Fourth Proportional to 7,452.78, 11,184.33 and 2,777.04

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Solution

The fourth proportional to 7,452.78, 11,184.33 and 2,777.04 is: 4,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452.78 : 11,184.33 = 2,777.04 : x
  2. Step 2: Convert to fraction form
    7,452.78/11,184.33 = 2,777.04/x
  3. Step 3: Cross multiply
    7,452.78x = 11,184.33 × 2,777.04
  4. Step 4: Simplify right side
    7,452.78x = 31,059,331.78
  5. Step 5: Solve for x
    x = 31,059,331.78/7,452.78
  6. Step 6: Final answer
    x = 4,167.48

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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.