Home / 5,381.51-8,072.33-2,456.46

Finding the Fourth Proportional to 5,381.51, 8,072.33 and 2,456.46

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Solution

The fourth proportional to 5,381.51, 8,072.33 and 2,456.46 is: 3,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.51 : 8,072.33 = 2,456.46 : x
  2. Step 2: Convert to fraction form
    5,381.51/8,072.33 = 2,456.46/x
  3. Step 3: Cross multiply
    5,381.51x = 8,072.33 × 2,456.46
  4. Step 4: Simplify right side
    5,381.51x = 19,829,343.47
  5. Step 5: Solve for x
    x = 19,829,343.47/5,381.51
  6. Step 6: Final answer
    x = 3,684.72

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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.