Home / 5,577.12-7,691.31-4,314.13

Finding the Fourth Proportional to 5,577.12, 7,691.31 and 4,314.13

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Solution

The fourth proportional to 5,577.12, 7,691.31 and 4,314.13 is: 5,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.12 : 7,691.31 = 4,314.13 : x
  2. Step 2: Convert to fraction form
    5,577.12/7,691.31 = 4,314.13/x
  3. Step 3: Cross multiply
    5,577.12x = 7,691.31 × 4,314.13
  4. Step 4: Simplify right side
    5,577.12x = 33,181,291.98
  5. Step 5: Solve for x
    x = 33,181,291.98/5,577.12
  6. Step 6: Final answer
    x = 5,949.54

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1.5x scale

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.