Home / 4,577.20-6,316.44-3,005.20

Finding the Fourth Proportional to 4,577.20, 6,316.44 and 3,005.20

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Solution

The fourth proportional to 4,577.20, 6,316.44 and 3,005.20 is: 4,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.20 : 6,316.44 = 3,005.20 : x
  2. Step 2: Convert to fraction form
    4,577.20/6,316.44 = 3,005.20/x
  3. Step 3: Cross multiply
    4,577.20x = 6,316.44 × 3,005.20
  4. Step 4: Simplify right side
    4,577.20x = 18,982,133.91
  5. Step 5: Solve for x
    x = 18,982,133.91/4,577.20
  6. Step 6: Final answer
    x = 4,147.11

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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.