Home / 1,208.14-1,666.44-959.06

Finding the Fourth Proportional to 1,208.14, 1,666.44 and 959.06

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Solution

The fourth proportional to 1,208.14, 1,666.44 and 959.06 is: 1,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208.14 : 1,666.44 = 959.06 : x
  2. Step 2: Convert to fraction form
    1,208.14/1,666.44 = 959.06/x
  3. Step 3: Cross multiply
    1,208.14x = 1,666.44 × 959.06
  4. Step 4: Simplify right side
    1,208.14x = 1,598,220.11
  5. Step 5: Solve for x
    x = 1,598,220.11/1,208.14
  6. Step 6: Final answer
    x = 1,322.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.