Home / 4,119.16-6,178.12-1,927.68

Finding the Fourth Proportional to 4,119.16, 6,178.12 and 1,927.68

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Solution

The fourth proportional to 4,119.16, 6,178.12 and 1,927.68 is: 2,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.16 : 6,178.12 = 1,927.68 : x
  2. Step 2: Convert to fraction form
    4,119.16/6,178.12 = 1,927.68/x
  3. Step 3: Cross multiply
    4,119.16x = 6,178.12 × 1,927.68
  4. Step 4: Simplify right side
    4,119.16x = 11,909,438.36
  5. Step 5: Solve for x
    x = 11,909,438.36/4,119.16
  6. Step 6: Final answer
    x = 2,891.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.