Home / 5,824.74-8,038.10-3,172.14

Finding the Fourth Proportional to 5,824.74, 8,038.10 and 3,172.14

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Solution

The fourth proportional to 5,824.74, 8,038.10 and 3,172.14 is: 4,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.74 : 8,038.10 = 3,172.14 : x
  2. Step 2: Convert to fraction form
    5,824.74/8,038.10 = 3,172.14/x
  3. Step 3: Cross multiply
    5,824.74x = 8,038.10 × 3,172.14
  4. Step 4: Simplify right side
    5,824.74x = 25,497,978.53
  5. Step 5: Solve for x
    x = 25,497,978.53/5,824.74
  6. Step 6: Final answer
    x = 4,377.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.