Home / 5,104.44-7,655.76-1,405.77

Finding the Fourth Proportional to 5,104.44, 7,655.76 and 1,405.77

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Solution

The fourth proportional to 5,104.44, 7,655.76 and 1,405.77 is: 2,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.44 : 7,655.76 = 1,405.77 : x
  2. Step 2: Convert to fraction form
    5,104.44/7,655.76 = 1,405.77/x
  3. Step 3: Cross multiply
    5,104.44x = 7,655.76 × 1,405.77
  4. Step 4: Simplify right side
    5,104.44x = 10,762,237.74
  5. Step 5: Solve for x
    x = 10,762,237.74/5,104.44
  6. Step 6: Final answer
    x = 2,108.41

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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.