Home / 4,121.12-5,686.62-2,352.26

Finding the Fourth Proportional to 4,121.12, 5,686.62 and 2,352.26

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Solution

The fourth proportional to 4,121.12, 5,686.62 and 2,352.26 is: 3,245.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.12 : 5,686.62 = 2,352.26 : x
  2. Step 2: Convert to fraction form
    4,121.12/5,686.62 = 2,352.26/x
  3. Step 3: Cross multiply
    4,121.12x = 5,686.62 × 2,352.26
  4. Step 4: Simplify right side
    4,121.12x = 13,376,408.76
  5. Step 5: Solve for x
    x = 13,376,408.76/4,121.12
  6. Step 6: Final answer
    x = 3,245.82

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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.