Home / 5,160.15-7,740.63-1,462.41

Finding the Fourth Proportional to 5,160.15, 7,740.63 and 1,462.41

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Solution

The fourth proportional to 5,160.15, 7,740.63 and 1,462.41 is: 2,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.15 : 7,740.63 = 1,462.41 : x
  2. Step 2: Convert to fraction form
    5,160.15/7,740.63 = 1,462.41/x
  3. Step 3: Cross multiply
    5,160.15x = 7,740.63 × 1,462.41
  4. Step 4: Simplify right side
    5,160.15x = 11,319,974.72
  5. Step 5: Solve for x
    x = 11,319,974.72/5,160.15
  6. Step 6: Final answer
    x = 2,193.73

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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.