Home / 5,134.21-7,702.13-2,213.35

Finding the Fourth Proportional to 5,134.21, 7,702.13 and 2,213.35

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Solution

The fourth proportional to 5,134.21, 7,702.13 and 2,213.35 is: 3,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.21 : 7,702.13 = 2,213.35 : x
  2. Step 2: Convert to fraction form
    5,134.21/7,702.13 = 2,213.35/x
  3. Step 3: Cross multiply
    5,134.21x = 7,702.13 × 2,213.35
  4. Step 4: Simplify right side
    5,134.21x = 17,047,509.44
  5. Step 5: Solve for x
    x = 17,047,509.44/5,134.21
  6. Step 6: Final answer
    x = 3,320.38

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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.