Home / 5,425.24-8,126.34-3,671.32

Finding the Fourth Proportional to 5,425.24, 8,126.34 and 3,671.32

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Solution

The fourth proportional to 5,425.24, 8,126.34 and 3,671.32 is: 5,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.24 : 8,126.34 = 3,671.32 : x
  2. Step 2: Convert to fraction form
    5,425.24/8,126.34 = 3,671.32/x
  3. Step 3: Cross multiply
    5,425.24x = 8,126.34 × 3,671.32
  4. Step 4: Simplify right side
    5,425.24x = 29,834,394.57
  5. Step 5: Solve for x
    x = 29,834,394.57/5,425.24
  6. Step 6: Final answer
    x = 5,499.18

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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.