Home / 2,653.26-3,980.34-1,094.11

Finding the Fourth Proportional to 2,653.26, 3,980.34 and 1,094.11

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Solution

The fourth proportional to 2,653.26, 3,980.34 and 1,094.11 is: 1,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.26 : 3,980.34 = 1,094.11 : x
  2. Step 2: Convert to fraction form
    2,653.26/3,980.34 = 1,094.11/x
  3. Step 3: Cross multiply
    2,653.26x = 3,980.34 × 1,094.11
  4. Step 4: Simplify right side
    2,653.26x = 4,354,919.85
  5. Step 5: Solve for x
    x = 4,354,919.85/2,653.26
  6. Step 6: Final answer
    x = 1,641.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.