Home / 3,201.21-4,416.66-2,526.88

Finding the Fourth Proportional to 3,201.21, 4,416.66 and 2,526.88

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Solution

The fourth proportional to 3,201.21, 4,416.66 and 2,526.88 is: 3,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.21 : 4,416.66 = 2,526.88 : x
  2. Step 2: Convert to fraction form
    3,201.21/4,416.66 = 2,526.88/x
  3. Step 3: Cross multiply
    3,201.21x = 4,416.66 × 2,526.88
  4. Step 4: Simplify right side
    3,201.21x = 11,160,369.82
  5. Step 5: Solve for x
    x = 11,160,369.82/3,201.21
  6. Step 6: Final answer
    x = 3,486.30

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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.