Home / 5,404.20-8,113.20-4,172.52

Finding the Fourth Proportional to 5,404.20, 8,113.20 and 4,172.52

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Solution

The fourth proportional to 5,404.20, 8,113.20 and 4,172.52 is: 6,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.20 : 8,113.20 = 4,172.52 : x
  2. Step 2: Convert to fraction form
    5,404.20/8,113.20 = 4,172.52/x
  3. Step 3: Cross multiply
    5,404.20x = 8,113.20 × 4,172.52
  4. Step 4: Simplify right side
    5,404.20x = 33,852,489.26
  5. Step 5: Solve for x
    x = 33,852,489.26/5,404.20
  6. Step 6: Final answer
    x = 6,264.11

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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.