Home / 2,905.28-4,359.60-1,174.04

Finding the Fourth Proportional to 2,905.28, 4,359.60 and 1,174.04

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Solution

The fourth proportional to 2,905.28, 4,359.60 and 1,174.04 is: 1,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.28 : 4,359.60 = 1,174.04 : x
  2. Step 2: Convert to fraction form
    2,905.28/4,359.60 = 1,174.04/x
  3. Step 3: Cross multiply
    2,905.28x = 4,359.60 × 1,174.04
  4. Step 4: Simplify right side
    2,905.28x = 5,118,344.78
  5. Step 5: Solve for x
    x = 5,118,344.78/2,905.28
  6. Step 6: Final answer
    x = 1,761.74

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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.