Home / 1,158.03-1,736.91-336.15

Finding the Fourth Proportional to 1,158.03, 1,736.91 and 336.15

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Solution

The fourth proportional to 1,158.03, 1,736.91 and 336.15 is: 504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.03 : 1,736.91 = 336.15 : x
  2. Step 2: Convert to fraction form
    1,158.03/1,736.91 = 336.15/x
  3. Step 3: Cross multiply
    1,158.03x = 1,736.91 × 336.15
  4. Step 4: Simplify right side
    1,158.03x = 583,862.30
  5. Step 5: Solve for x
    x = 583,862.30/1,158.03
  6. Step 6: Final answer
    x = 504.19

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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.