Home / 3,287.11-4,538.05-2,519.10

Finding the Fourth Proportional to 3,287.11, 4,538.05 and 2,519.10

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Solution

The fourth proportional to 3,287.11, 4,538.05 and 2,519.10 is: 3,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.11 : 4,538.05 = 2,519.10 : x
  2. Step 2: Convert to fraction form
    3,287.11/4,538.05 = 2,519.10/x
  3. Step 3: Cross multiply
    3,287.11x = 4,538.05 × 2,519.10
  4. Step 4: Simplify right side
    3,287.11x = 11,431,801.76
  5. Step 5: Solve for x
    x = 11,431,801.76/3,287.11
  6. Step 6: Final answer
    x = 3,477.77

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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.