Home / 3,935.65-5,902.89-1,470.16

Finding the Fourth Proportional to 3,935.65, 5,902.89 and 1,470.16

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Solution

The fourth proportional to 3,935.65, 5,902.89 and 1,470.16 is: 2,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.65 : 5,902.89 = 1,470.16 : x
  2. Step 2: Convert to fraction form
    3,935.65/5,902.89 = 1,470.16/x
  3. Step 3: Cross multiply
    3,935.65x = 5,902.89 × 1,470.16
  4. Step 4: Simplify right side
    3,935.65x = 8,678,192.76
  5. Step 5: Solve for x
    x = 8,678,192.76/3,935.65
  6. Step 6: Final answer
    x = 2,205.02

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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.