Home / 3,160.28-4,740.96-968.84

Finding the Fourth Proportional to 3,160.28, 4,740.96 and 968.84

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Solution

The fourth proportional to 3,160.28, 4,740.96 and 968.84 is: 1,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.28 : 4,740.96 = 968.84 : x
  2. Step 2: Convert to fraction form
    3,160.28/4,740.96 = 968.84/x
  3. Step 3: Cross multiply
    3,160.28x = 4,740.96 × 968.84
  4. Step 4: Simplify right side
    3,160.28x = 4,593,231.69
  5. Step 5: Solve for x
    x = 4,593,231.69/3,160.28
  6. Step 6: Final answer
    x = 1,453.43

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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.