Home / 4,712.46-7,055.70-3,150.30

Finding the Fourth Proportional to 4,712.46, 7,055.70 and 3,150.30

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Solution

The fourth proportional to 4,712.46, 7,055.70 and 3,150.30 is: 4,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.46 : 7,055.70 = 3,150.30 : x
  2. Step 2: Convert to fraction form
    4,712.46/7,055.70 = 3,150.30/x
  3. Step 3: Cross multiply
    4,712.46x = 7,055.70 × 3,150.30
  4. Step 4: Simplify right side
    4,712.46x = 22,227,571.71
  5. Step 5: Solve for x
    x = 22,227,571.71/4,712.46
  6. Step 6: Final answer
    x = 4,716.77

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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.