Home / 5,492.21-7,579.37-3,134.57

Finding the Fourth Proportional to 5,492.21, 7,579.37 and 3,134.57

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Solution

The fourth proportional to 5,492.21, 7,579.37 and 3,134.57 is: 4,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.21 : 7,579.37 = 3,134.57 : x
  2. Step 2: Convert to fraction form
    5,492.21/7,579.37 = 3,134.57/x
  3. Step 3: Cross multiply
    5,492.21x = 7,579.37 × 3,134.57
  4. Step 4: Simplify right side
    5,492.21x = 23,758,035.76
  5. Step 5: Solve for x
    x = 23,758,035.76/5,492.21
  6. Step 6: Final answer
    x = 4,325.77

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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.