Home / 3,134.52-4,324.86-1,954.98

Finding the Fourth Proportional to 3,134.52, 4,324.86 and 1,954.98

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Solution

The fourth proportional to 3,134.52, 4,324.86 and 1,954.98 is: 2,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.52 : 4,324.86 = 1,954.98 : x
  2. Step 2: Convert to fraction form
    3,134.52/4,324.86 = 1,954.98/x
  3. Step 3: Cross multiply
    3,134.52x = 4,324.86 × 1,954.98
  4. Step 4: Simplify right side
    3,134.52x = 8,455,014.80
  5. Step 5: Solve for x
    x = 8,455,014.80/3,134.52
  6. Step 6: Final answer
    x = 2,697.39

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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.