Home / 3,159.66-4,359.87-1,833.42

Finding the Fourth Proportional to 3,159.66, 4,359.87 and 1,833.42

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Solution

The fourth proportional to 3,159.66, 4,359.87 and 1,833.42 is: 2,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.66 : 4,359.87 = 1,833.42 : x
  2. Step 2: Convert to fraction form
    3,159.66/4,359.87 = 1,833.42/x
  3. Step 3: Cross multiply
    3,159.66x = 4,359.87 × 1,833.42
  4. Step 4: Simplify right side
    3,159.66x = 7,993,472.86
  5. Step 5: Solve for x
    x = 7,993,472.86/3,159.66
  6. Step 6: Final answer
    x = 2,529.85

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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.