Home / 3,505.89-5,257.70-1,165.26

Finding the Fourth Proportional to 3,505.89, 5,257.70 and 1,165.26

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Solution

The fourth proportional to 3,505.89, 5,257.70 and 1,165.26 is: 1,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.89 : 5,257.70 = 1,165.26 : x
  2. Step 2: Convert to fraction form
    3,505.89/5,257.70 = 1,165.26/x
  3. Step 3: Cross multiply
    3,505.89x = 5,257.70 × 1,165.26
  4. Step 4: Simplify right side
    3,505.89x = 6,126,601.39
  5. Step 5: Solve for x
    x = 6,126,601.39/3,505.89
  6. Step 6: Final answer
    x = 1,747.52

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1.5x scale

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.