Home / 5,053.11-7,572.49-2,857.22

Finding the Fourth Proportional to 5,053.11, 7,572.49 and 2,857.22

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Solution

The fourth proportional to 5,053.11, 7,572.49 and 2,857.22 is: 4,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.11 : 7,572.49 = 2,857.22 : x
  2. Step 2: Convert to fraction form
    5,053.11/7,572.49 = 2,857.22/x
  3. Step 3: Cross multiply
    5,053.11x = 7,572.49 × 2,857.22
  4. Step 4: Simplify right side
    5,053.11x = 21,636,295.86
  5. Step 5: Solve for x
    x = 21,636,295.86/5,053.11
  6. Step 6: Final answer
    x = 4,281.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.