Home / 5,371.20-7,411.77-3,134.52

Finding the Fourth Proportional to 5,371.20, 7,411.77 and 3,134.52

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Solution

The fourth proportional to 5,371.20, 7,411.77 and 3,134.52 is: 4,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.20 : 7,411.77 = 3,134.52 : x
  2. Step 2: Convert to fraction form
    5,371.20/7,411.77 = 3,134.52/x
  3. Step 3: Cross multiply
    5,371.20x = 7,411.77 × 3,134.52
  4. Step 4: Simplify right side
    5,371.20x = 23,232,341.30
  5. Step 5: Solve for x
    x = 23,232,341.30/5,371.20
  6. Step 6: Final answer
    x = 4,325.35

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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.