Home / 5,415.64-7,473.68-3,057.96

Finding the Fourth Proportional to 5,415.64, 7,473.68 and 3,057.96

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Solution

The fourth proportional to 5,415.64, 7,473.68 and 3,057.96 is: 4,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.64 : 7,473.68 = 3,057.96 : x
  2. Step 2: Convert to fraction form
    5,415.64/7,473.68 = 3,057.96/x
  3. Step 3: Cross multiply
    5,415.64x = 7,473.68 × 3,057.96
  4. Step 4: Simplify right side
    5,415.64x = 22,854,214.49
  5. Step 5: Solve for x
    x = 22,854,214.49/5,415.64
  6. Step 6: Final answer
    x = 4,220.04

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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.