Home / 5,589.91-7,714.18-3,072.25

Finding the Fourth Proportional to 5,589.91, 7,714.18 and 3,072.25

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Solution

The fourth proportional to 5,589.91, 7,714.18 and 3,072.25 is: 4,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.91 : 7,714.18 = 3,072.25 : x
  2. Step 2: Convert to fraction form
    5,589.91/7,714.18 = 3,072.25/x
  3. Step 3: Cross multiply
    5,589.91x = 7,714.18 × 3,072.25
  4. Step 4: Simplify right side
    5,589.91x = 23,699,889.51
  5. Step 5: Solve for x
    x = 23,699,889.51/5,589.91
  6. Step 6: Final answer
    x = 4,239.76

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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.