Home / 5,305.10-7,957.62-2,381.36

Finding the Fourth Proportional to 5,305.10, 7,957.62 and 2,381.36

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Solution

The fourth proportional to 5,305.10, 7,957.62 and 2,381.36 is: 3,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.10 : 7,957.62 = 2,381.36 : x
  2. Step 2: Convert to fraction form
    5,305.10/7,957.62 = 2,381.36/x
  3. Step 3: Cross multiply
    5,305.10x = 7,957.62 × 2,381.36
  4. Step 4: Simplify right side
    5,305.10x = 18,949,918.18
  5. Step 5: Solve for x
    x = 18,949,918.18/5,305.10
  6. Step 6: Final answer
    x = 3,572.02

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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.