Home / 5,420.16-7,476-3,325.44

Finding the Fourth Proportional to 5,420.16, 7,476 and 3,325.44

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Solution

The fourth proportional to 5,420.16, 7,476 and 3,325.44 is: 4,586.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.16 : 7,476 = 3,325.44 : x
  2. Step 2: Convert to fraction form
    5,420.16/7,476 = 3,325.44/x
  3. Step 3: Cross multiply
    5,420.16x = 7,476 × 3,325.44
  4. Step 4: Simplify right side
    5,420.16x = 24,860,989.44
  5. Step 5: Solve for x
    x = 24,860,989.44/5,420.16
  6. Step 6: Final answer
    x = 4,586.76

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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.