Home / 3,935.19-5,903.79-1,470.03

Finding the Fourth Proportional to 3,935.19, 5,903.79 and 1,470.03

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Solution

The fourth proportional to 3,935.19, 5,903.79 and 1,470.03 is: 2,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.19 : 5,903.79 = 1,470.03 : x
  2. Step 2: Convert to fraction form
    3,935.19/5,903.79 = 1,470.03/x
  3. Step 3: Cross multiply
    3,935.19x = 5,903.79 × 1,470.03
  4. Step 4: Simplify right side
    3,935.19x = 8,678,748.41
  5. Step 5: Solve for x
    x = 8,678,748.41/3,935.19
  6. Step 6: Final answer
    x = 2,205.42

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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.