Home / 4,457.28-6,680.94-3,938.52

Finding the Fourth Proportional to 4,457.28, 6,680.94 and 3,938.52

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Solution

The fourth proportional to 4,457.28, 6,680.94 and 3,938.52 is: 5,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.28 : 6,680.94 = 3,938.52 : x
  2. Step 2: Convert to fraction form
    4,457.28/6,680.94 = 3,938.52/x
  3. Step 3: Cross multiply
    4,457.28x = 6,680.94 × 3,938.52
  4. Step 4: Simplify right side
    4,457.28x = 26,313,015.81
  5. Step 5: Solve for x
    x = 26,313,015.81/4,457.28
  6. Step 6: Final answer
    x = 5,903.38

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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.