Home / 2,935.80-4,405.46-1,088.21

Finding the Fourth Proportional to 2,935.80, 4,405.46 and 1,088.21

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Solution

The fourth proportional to 2,935.80, 4,405.46 and 1,088.21 is: 1,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.80 : 4,405.46 = 1,088.21 : x
  2. Step 2: Convert to fraction form
    2,935.80/4,405.46 = 1,088.21/x
  3. Step 3: Cross multiply
    2,935.80x = 4,405.46 × 1,088.21
  4. Step 4: Simplify right side
    2,935.80x = 4,794,071.20
  5. Step 5: Solve for x
    x = 4,794,071.20/2,935.80
  6. Step 6: Final answer
    x = 1,632.97

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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.