Home / 5,561.96-7,672.16-3,673.55

Finding the Fourth Proportional to 5,561.96, 7,672.16 and 3,673.55

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Solution

The fourth proportional to 5,561.96, 7,672.16 and 3,673.55 is: 5,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.96 : 7,672.16 = 3,673.55 : x
  2. Step 2: Convert to fraction form
    5,561.96/7,672.16 = 3,673.55/x
  3. Step 3: Cross multiply
    5,561.96x = 7,672.16 × 3,673.55
  4. Step 4: Simplify right side
    5,561.96x = 28,184,034.19
  5. Step 5: Solve for x
    x = 28,184,034.19/5,561.96
  6. Step 6: Final answer
    x = 5,067.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.