Home / 3,053.28-4,213.68-1,709.04

Finding the Fourth Proportional to 3,053.28, 4,213.68 and 1,709.04

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Solution

The fourth proportional to 3,053.28, 4,213.68 and 1,709.04 is: 2,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.28 : 4,213.68 = 1,709.04 : x
  2. Step 2: Convert to fraction form
    3,053.28/4,213.68 = 1,709.04/x
  3. Step 3: Cross multiply
    3,053.28x = 4,213.68 × 1,709.04
  4. Step 4: Simplify right side
    3,053.28x = 7,201,347.67
  5. Step 5: Solve for x
    x = 7,201,347.67/3,053.28
  6. Step 6: Final answer
    x = 2,358.56

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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.