Home / 5,424.60-8,138.43-1,529.04

Finding the Fourth Proportional to 5,424.60, 8,138.43 and 1,529.04

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Solution

The fourth proportional to 5,424.60, 8,138.43 and 1,529.04 is: 2,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.60 : 8,138.43 = 1,529.04 : x
  2. Step 2: Convert to fraction form
    5,424.60/8,138.43 = 1,529.04/x
  3. Step 3: Cross multiply
    5,424.60x = 8,138.43 × 1,529.04
  4. Step 4: Simplify right side
    5,424.60x = 12,443,985.01
  5. Step 5: Solve for x
    x = 12,443,985.01/5,424.60
  6. Step 6: Final answer
    x = 2,293.99

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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.