Home / 5,278.33-7,914.35-1,767.48

Finding the Fourth Proportional to 5,278.33, 7,914.35 and 1,767.48

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Solution

The fourth proportional to 5,278.33, 7,914.35 and 1,767.48 is: 2,650.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.33 : 7,914.35 = 1,767.48 : x
  2. Step 2: Convert to fraction form
    5,278.33/7,914.35 = 1,767.48/x
  3. Step 3: Cross multiply
    5,278.33x = 7,914.35 × 1,767.48
  4. Step 4: Simplify right side
    5,278.33x = 13,988,446.50
  5. Step 5: Solve for x
    x = 13,988,446.50/5,278.33
  6. Step 6: Final answer
    x = 2,650.17

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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.