Home / 4,476.87-6,174.66-2,986.74

Finding the Fourth Proportional to 4,476.87, 6,174.66 and 2,986.74

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Solution

The fourth proportional to 4,476.87, 6,174.66 and 2,986.74 is: 4,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.87 : 6,174.66 = 2,986.74 : x
  2. Step 2: Convert to fraction form
    4,476.87/6,174.66 = 2,986.74/x
  3. Step 3: Cross multiply
    4,476.87x = 6,174.66 × 2,986.74
  4. Step 4: Simplify right side
    4,476.87x = 18,442,104.01
  5. Step 5: Solve for x
    x = 18,442,104.01/4,476.87
  6. Step 6: Final answer
    x = 4,119.42

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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.