Home / 5,572.26-7,689.72-3,054.30

Finding the Fourth Proportional to 5,572.26, 7,689.72 and 3,054.30

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Solution

The fourth proportional to 5,572.26, 7,689.72 and 3,054.30 is: 4,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.26 : 7,689.72 = 3,054.30 : x
  2. Step 2: Convert to fraction form
    5,572.26/7,689.72 = 3,054.30/x
  3. Step 3: Cross multiply
    5,572.26x = 7,689.72 × 3,054.30
  4. Step 4: Simplify right side
    5,572.26x = 23,486,711.80
  5. Step 5: Solve for x
    x = 23,486,711.80/5,572.26
  6. Step 6: Final answer
    x = 4,214.93

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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.