Home / 3,499.75-4,829.66-1,927.88

Finding the Fourth Proportional to 3,499.75, 4,829.66 and 1,927.88

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Solution

The fourth proportional to 3,499.75, 4,829.66 and 1,927.88 is: 2,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.75 : 4,829.66 = 1,927.88 : x
  2. Step 2: Convert to fraction form
    3,499.75/4,829.66 = 1,927.88/x
  3. Step 3: Cross multiply
    3,499.75x = 4,829.66 × 1,927.88
  4. Step 4: Simplify right side
    3,499.75x = 9,310,983.21
  5. Step 5: Solve for x
    x = 9,310,983.21/3,499.75
  6. Step 6: Final answer
    x = 2,660.47

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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.