Home / 7,051.68-10,577.52-2,121.48

Finding the Fourth Proportional to 7,051.68, 10,577.52 and 2,121.48

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Solution

The fourth proportional to 7,051.68, 10,577.52 and 2,121.48 is: 3,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.68 : 10,577.52 = 2,121.48 : x
  2. Step 2: Convert to fraction form
    7,051.68/10,577.52 = 2,121.48/x
  3. Step 3: Cross multiply
    7,051.68x = 10,577.52 × 2,121.48
  4. Step 4: Simplify right side
    7,051.68x = 22,439,997.13
  5. Step 5: Solve for x
    x = 22,439,997.13/7,051.68
  6. Step 6: Final answer
    x = 3,182.22

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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.