Home / 5,055.12-7,584.30-1,936.08

Finding the Fourth Proportional to 5,055.12, 7,584.30 and 1,936.08

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Solution

The fourth proportional to 5,055.12, 7,584.30 and 1,936.08 is: 2,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.12 : 7,584.30 = 1,936.08 : x
  2. Step 2: Convert to fraction form
    5,055.12/7,584.30 = 1,936.08/x
  3. Step 3: Cross multiply
    5,055.12x = 7,584.30 × 1,936.08
  4. Step 4: Simplify right side
    5,055.12x = 14,683,811.54
  5. Step 5: Solve for x
    x = 14,683,811.54/5,055.12
  6. Step 6: Final answer
    x = 2,904.74

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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.