Home / 5,053.13-7,577.40-2,129.84

Finding the Fourth Proportional to 5,053.13, 7,577.40 and 2,129.84

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Solution

The fourth proportional to 5,053.13, 7,577.40 and 2,129.84 is: 3,193.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.13 : 7,577.40 = 2,129.84 : x
  2. Step 2: Convert to fraction form
    5,053.13/7,577.40 = 2,129.84/x
  3. Step 3: Cross multiply
    5,053.13x = 7,577.40 × 2,129.84
  4. Step 4: Simplify right side
    5,053.13x = 16,138,649.62
  5. Step 5: Solve for x
    x = 16,138,649.62/5,053.13
  6. Step 6: Final answer
    x = 3,193.79

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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.