Home / 4,809.79-7,195.72-3,643.16

Finding the Fourth Proportional to 4,809.79, 7,195.72 and 3,643.16

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Solution

The fourth proportional to 4,809.79, 7,195.72 and 3,643.16 is: 5,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.79 : 7,195.72 = 3,643.16 : x
  2. Step 2: Convert to fraction form
    4,809.79/7,195.72 = 3,643.16/x
  3. Step 3: Cross multiply
    4,809.79x = 7,195.72 × 3,643.16
  4. Step 4: Simplify right side
    4,809.79x = 26,215,159.28
  5. Step 5: Solve for x
    x = 26,215,159.28/4,809.79
  6. Step 6: Final answer
    x = 5,450.38

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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.