Home / 5,145.02-7,712.07-2,677.37

Finding the Fourth Proportional to 5,145.02, 7,712.07 and 2,677.37

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Solution

The fourth proportional to 5,145.02, 7,712.07 and 2,677.37 is: 4,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,145.02 : 7,712.07 = 2,677.37 : x
  2. Step 2: Convert to fraction form
    5,145.02/7,712.07 = 2,677.37/x
  3. Step 3: Cross multiply
    5,145.02x = 7,712.07 × 2,677.37
  4. Step 4: Simplify right side
    5,145.02x = 20,648,064.86
  5. Step 5: Solve for x
    x = 20,648,064.86/5,145.02
  6. Step 6: Final answer
    x = 4,013.21

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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.