Home / 5,204.61-7,805.94-1,872.36

Finding the Fourth Proportional to 5,204.61, 7,805.94 and 1,872.36

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Solution

The fourth proportional to 5,204.61, 7,805.94 and 1,872.36 is: 2,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.61 : 7,805.94 = 1,872.36 : x
  2. Step 2: Convert to fraction form
    5,204.61/7,805.94 = 1,872.36/x
  3. Step 3: Cross multiply
    5,204.61x = 7,805.94 × 1,872.36
  4. Step 4: Simplify right side
    5,204.61x = 14,615,529.82
  5. Step 5: Solve for x
    x = 14,615,529.82/5,204.61
  6. Step 6: Final answer
    x = 2,808.19

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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.