Home / 5,572.29-7,689.71-3,054.54

Finding the Fourth Proportional to 5,572.29, 7,689.71 and 3,054.54

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Solution

The fourth proportional to 5,572.29, 7,689.71 and 3,054.54 is: 4,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.29 : 7,689.71 = 3,054.54 : x
  2. Step 2: Convert to fraction form
    5,572.29/7,689.71 = 3,054.54/x
  3. Step 3: Cross multiply
    5,572.29x = 7,689.71 × 3,054.54
  4. Step 4: Simplify right side
    5,572.29x = 23,488,534.42
  5. Step 5: Solve for x
    x = 23,488,534.42/5,572.29
  6. Step 6: Final answer
    x = 4,215.24

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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.