Home / 4,178.96-5,766.92-2,315.96

Finding the Fourth Proportional to 4,178.96, 5,766.92 and 2,315.96

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Solution

The fourth proportional to 4,178.96, 5,766.92 and 2,315.96 is: 3,196.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.96 : 5,766.92 = 2,315.96 : x
  2. Step 2: Convert to fraction form
    4,178.96/5,766.92 = 2,315.96/x
  3. Step 3: Cross multiply
    4,178.96x = 5,766.92 × 2,315.96
  4. Step 4: Simplify right side
    4,178.96x = 13,355,956.04
  5. Step 5: Solve for x
    x = 13,355,956.04/4,178.96
  6. Step 6: Final answer
    x = 3,196.00

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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.