Home / 5,111.63-7,053.97-2,873.96

Finding the Fourth Proportional to 5,111.63, 7,053.97 and 2,873.96

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Solution

The fourth proportional to 5,111.63, 7,053.97 and 2,873.96 is: 3,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111.63 : 7,053.97 = 2,873.96 : x
  2. Step 2: Convert to fraction form
    5,111.63/7,053.97 = 2,873.96/x
  3. Step 3: Cross multiply
    5,111.63x = 7,053.97 × 2,873.96
  4. Step 4: Simplify right side
    5,111.63x = 20,272,838.07
  5. Step 5: Solve for x
    x = 20,272,838.07/5,111.63
  6. Step 6: Final answer
    x = 3,966.02

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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.