Home / 2,454.67-3,387.34-1,335.61

Finding the Fourth Proportional to 2,454.67, 3,387.34 and 1,335.61

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Solution

The fourth proportional to 2,454.67, 3,387.34 and 1,335.61 is: 1,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.67 : 3,387.34 = 1,335.61 : x
  2. Step 2: Convert to fraction form
    2,454.67/3,387.34 = 1,335.61/x
  3. Step 3: Cross multiply
    2,454.67x = 3,387.34 × 1,335.61
  4. Step 4: Simplify right side
    2,454.67x = 4,524,161.55
  5. Step 5: Solve for x
    x = 4,524,161.55/2,454.67
  6. Step 6: Final answer
    x = 1,843.08

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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.