Home / 5,572.29-7,689.75-3,054.42

Finding the Fourth Proportional to 5,572.29, 7,689.75 and 3,054.42

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Solution

The fourth proportional to 5,572.29, 7,689.75 and 3,054.42 is: 4,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.29 : 7,689.75 = 3,054.42 : x
  2. Step 2: Convert to fraction form
    5,572.29/7,689.75 = 3,054.42/x
  3. Step 3: Cross multiply
    5,572.29x = 7,689.75 × 3,054.42
  4. Step 4: Simplify right side
    5,572.29x = 23,487,714.74
  5. Step 5: Solve for x
    x = 23,487,714.74/5,572.29
  6. Step 6: Final answer
    x = 4,215.09

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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.