Home / 5,572.22-7,689.36-3,054.34

Finding the Fourth Proportional to 5,572.22, 7,689.36 and 3,054.34

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Solution

The fourth proportional to 5,572.22, 7,689.36 and 3,054.34 is: 4,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.22 : 7,689.36 = 3,054.34 : x
  2. Step 2: Convert to fraction form
    5,572.22/7,689.36 = 3,054.34/x
  3. Step 3: Cross multiply
    5,572.22x = 7,689.36 × 3,054.34
  4. Step 4: Simplify right side
    5,572.22x = 23,485,881.38
  5. Step 5: Solve for x
    x = 23,485,881.38/5,572.22
  6. Step 6: Final answer
    x = 4,214.82

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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.