Home / 3,178.08-4,384.92-1,833.36

Finding the Fourth Proportional to 3,178.08, 4,384.92 and 1,833.36

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Solution

The fourth proportional to 3,178.08, 4,384.92 and 1,833.36 is: 2,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.08 : 4,384.92 = 1,833.36 : x
  2. Step 2: Convert to fraction form
    3,178.08/4,384.92 = 1,833.36/x
  3. Step 3: Cross multiply
    3,178.08x = 4,384.92 × 1,833.36
  4. Step 4: Simplify right side
    3,178.08x = 8,039,136.93
  5. Step 5: Solve for x
    x = 8,039,136.93/3,178.08
  6. Step 6: Final answer
    x = 2,529.56

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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.