Home / 3,588.29-5,381.76-1,122.74

Finding the Fourth Proportional to 3,588.29, 5,381.76 and 1,122.74

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Solution

The fourth proportional to 3,588.29, 5,381.76 and 1,122.74 is: 1,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.29 : 5,381.76 = 1,122.74 : x
  2. Step 2: Convert to fraction form
    3,588.29/5,381.76 = 1,122.74/x
  3. Step 3: Cross multiply
    3,588.29x = 5,381.76 × 1,122.74
  4. Step 4: Simplify right side
    3,588.29x = 6,042,317.22
  5. Step 5: Solve for x
    x = 6,042,317.22/3,588.29
  6. Step 6: Final answer
    x = 1,683.90

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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.