Home / 2,418.08-3,609.56-2,126.48

Finding the Fourth Proportional to 2,418.08, 3,609.56 and 2,126.48

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Solution

The fourth proportional to 2,418.08, 3,609.56 and 2,126.48 is: 3,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.08 : 3,609.56 = 2,126.48 : x
  2. Step 2: Convert to fraction form
    2,418.08/3,609.56 = 2,126.48/x
  3. Step 3: Cross multiply
    2,418.08x = 3,609.56 × 2,126.48
  4. Step 4: Simplify right side
    2,418.08x = 7,675,657.15
  5. Step 5: Solve for x
    x = 7,675,657.15/2,418.08
  6. Step 6: Final answer
    x = 3,174.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.