Home / 5,154.13-7,730.56-2,193.77

Finding the Fourth Proportional to 5,154.13, 7,730.56 and 2,193.77

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Solution

The fourth proportional to 5,154.13, 7,730.56 and 2,193.77 is: 3,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.13 : 7,730.56 = 2,193.77 : x
  2. Step 2: Convert to fraction form
    5,154.13/7,730.56 = 2,193.77/x
  3. Step 3: Cross multiply
    5,154.13x = 7,730.56 × 2,193.77
  4. Step 4: Simplify right side
    5,154.13x = 16,959,026.47
  5. Step 5: Solve for x
    x = 16,959,026.47/5,154.13
  6. Step 6: Final answer
    x = 3,290.38

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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.