Home / 7,371.16-11,053.26-2,687.86

Finding the Fourth Proportional to 7,371.16, 11,053.26 and 2,687.86

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Solution

The fourth proportional to 7,371.16, 11,053.26 and 2,687.86 is: 4,030.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.16 : 11,053.26 = 2,687.86 : x
  2. Step 2: Convert to fraction form
    7,371.16/11,053.26 = 2,687.86/x
  3. Step 3: Cross multiply
    7,371.16x = 11,053.26 × 2,687.86
  4. Step 4: Simplify right side
    7,371.16x = 29,709,615.42
  5. Step 5: Solve for x
    x = 29,709,615.42/7,371.16
  6. Step 6: Final answer
    x = 4,030.52

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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.