Home / 6,474.06-9,686.46-4,002.75

Finding the Fourth Proportional to 6,474.06, 9,686.46 and 4,002.75

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Solution

The fourth proportional to 6,474.06, 9,686.46 and 4,002.75 is: 5,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.06 : 9,686.46 = 4,002.75 : x
  2. Step 2: Convert to fraction form
    6,474.06/9,686.46 = 4,002.75/x
  3. Step 3: Cross multiply
    6,474.06x = 9,686.46 × 4,002.75
  4. Step 4: Simplify right side
    6,474.06x = 38,772,477.77
  5. Step 5: Solve for x
    x = 38,772,477.77/6,474.06
  6. Step 6: Final answer
    x = 5,988.90

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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.