Home / 4,178.40-5,766.82-2,409.62

Finding the Fourth Proportional to 4,178.40, 5,766.82 and 2,409.62

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Solution

The fourth proportional to 4,178.40, 5,766.82 and 2,409.62 is: 3,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.40 : 5,766.82 = 2,409.62 : x
  2. Step 2: Convert to fraction form
    4,178.40/5,766.82 = 2,409.62/x
  3. Step 3: Cross multiply
    4,178.40x = 5,766.82 × 2,409.62
  4. Step 4: Simplify right side
    4,178.40x = 13,895,844.81
  5. Step 5: Solve for x
    x = 13,895,844.81/4,178.40
  6. Step 6: Final answer
    x = 3,325.64

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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.