Home / 1,116.68-1,673.74-1,104.52

Finding the Fourth Proportional to 1,116.68, 1,673.74 and 1,104.52

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Solution

The fourth proportional to 1,116.68, 1,673.74 and 1,104.52 is: 1,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.68 : 1,673.74 = 1,104.52 : x
  2. Step 2: Convert to fraction form
    1,116.68/1,673.74 = 1,104.52/x
  3. Step 3: Cross multiply
    1,116.68x = 1,673.74 × 1,104.52
  4. Step 4: Simplify right side
    1,116.68x = 1,848,679.30
  5. Step 5: Solve for x
    x = 1,848,679.30/1,116.68
  6. Step 6: Final answer
    x = 1,655.51

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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.