Home / 5,423.02-8,135.07-1,474.34

Finding the Fourth Proportional to 5,423.02, 8,135.07 and 1,474.34

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Solution

The fourth proportional to 5,423.02, 8,135.07 and 1,474.34 is: 2,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.02 : 8,135.07 = 1,474.34 : x
  2. Step 2: Convert to fraction form
    5,423.02/8,135.07 = 1,474.34/x
  3. Step 3: Cross multiply
    5,423.02x = 8,135.07 × 1,474.34
  4. Step 4: Simplify right side
    5,423.02x = 11,993,859.10
  5. Step 5: Solve for x
    x = 11,993,859.10/5,423.02
  6. Step 6: Final answer
    x = 2,211.66

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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.