Home / 3,586.09-5,377.38-1,505.47

Finding the Fourth Proportional to 3,586.09, 5,377.38 and 1,505.47

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Solution

The fourth proportional to 3,586.09, 5,377.38 and 1,505.47 is: 2,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.09 : 5,377.38 = 1,505.47 : x
  2. Step 2: Convert to fraction form
    3,586.09/5,377.38 = 1,505.47/x
  3. Step 3: Cross multiply
    3,586.09x = 5,377.38 × 1,505.47
  4. Step 4: Simplify right side
    3,586.09x = 8,095,484.27
  5. Step 5: Solve for x
    x = 8,095,484.27/3,586.09
  6. Step 6: Final answer
    x = 2,257.47

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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.