Home / 3,051.72-4,577.56-743.22

Finding the Fourth Proportional to 3,051.72, 4,577.56 and 743.22

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Solution

The fourth proportional to 3,051.72, 4,577.56 and 743.22 is: 1,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.72 : 4,577.56 = 743.22 : x
  2. Step 2: Convert to fraction form
    3,051.72/4,577.56 = 743.22/x
  3. Step 3: Cross multiply
    3,051.72x = 4,577.56 × 743.22
  4. Step 4: Simplify right side
    3,051.72x = 3,402,132.29
  5. Step 5: Solve for x
    x = 3,402,132.29/3,051.72
  6. Step 6: Final answer
    x = 1,114.82

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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.