Home / 5,572.15-7,689.71-3,054.38

Finding the Fourth Proportional to 5,572.15, 7,689.71 and 3,054.38

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Solution

The fourth proportional to 5,572.15, 7,689.71 and 3,054.38 is: 4,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.15 : 7,689.71 = 3,054.38 : x
  2. Step 2: Convert to fraction form
    5,572.15/7,689.71 = 3,054.38/x
  3. Step 3: Cross multiply
    5,572.15x = 7,689.71 × 3,054.38
  4. Step 4: Simplify right side
    5,572.15x = 23,487,265.62
  5. Step 5: Solve for x
    x = 23,487,265.62/5,572.15
  6. Step 6: Final answer
    x = 4,215.12

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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.