Home / 3,502.22-4,832.55-2,158.52

Finding the Fourth Proportional to 3,502.22, 4,832.55 and 2,158.52

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Solution

The fourth proportional to 3,502.22, 4,832.55 and 2,158.52 is: 2,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.22 : 4,832.55 = 2,158.52 : x
  2. Step 2: Convert to fraction form
    3,502.22/4,832.55 = 2,158.52/x
  3. Step 3: Cross multiply
    3,502.22x = 4,832.55 × 2,158.52
  4. Step 4: Simplify right side
    3,502.22x = 10,431,131.66
  5. Step 5: Solve for x
    x = 10,431,131.66/3,502.22
  6. Step 6: Final answer
    x = 2,978.44

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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.