Home / 5,051.76-7,610.60-3,960.99

Finding the Fourth Proportional to 5,051.76, 7,610.60 and 3,960.99

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Solution

The fourth proportional to 5,051.76, 7,610.60 and 3,960.99 is: 5,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.76 : 7,610.60 = 3,960.99 : x
  2. Step 2: Convert to fraction form
    5,051.76/7,610.60 = 3,960.99/x
  3. Step 3: Cross multiply
    5,051.76x = 7,610.60 × 3,960.99
  4. Step 4: Simplify right side
    5,051.76x = 30,145,510.49
  5. Step 5: Solve for x
    x = 30,145,510.49/5,051.76
  6. Step 6: Final answer
    x = 5,967.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.