Home / 2,624.36-3,618.09-2,249.72

Finding the Fourth Proportional to 2,624.36, 3,618.09 and 2,249.72

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Solution

The fourth proportional to 2,624.36, 3,618.09 and 2,249.72 is: 3,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.36 : 3,618.09 = 2,249.72 : x
  2. Step 2: Convert to fraction form
    2,624.36/3,618.09 = 2,249.72/x
  3. Step 3: Cross multiply
    2,624.36x = 3,618.09 × 2,249.72
  4. Step 4: Simplify right side
    2,624.36x = 8,139,689.43
  5. Step 5: Solve for x
    x = 8,139,689.43/2,624.36
  6. Step 6: Final answer
    x = 3,101.59

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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.