Home / 3,328.79-4,593.94-1,912.93

Finding the Fourth Proportional to 3,328.79, 4,593.94 and 1,912.93

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Solution

The fourth proportional to 3,328.79, 4,593.94 and 1,912.93 is: 2,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.79 : 4,593.94 = 1,912.93 : x
  2. Step 2: Convert to fraction form
    3,328.79/4,593.94 = 1,912.93/x
  3. Step 3: Cross multiply
    3,328.79x = 4,593.94 × 1,912.93
  4. Step 4: Simplify right side
    3,328.79x = 8,787,885.64
  5. Step 5: Solve for x
    x = 8,787,885.64/3,328.79
  6. Step 6: Final answer
    x = 2,639.96

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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.