Home / 5,243.47-7,234.27-2,974.55

Finding the Fourth Proportional to 5,243.47, 7,234.27 and 2,974.55

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Solution

The fourth proportional to 5,243.47, 7,234.27 and 2,974.55 is: 4,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.47 : 7,234.27 = 2,974.55 : x
  2. Step 2: Convert to fraction form
    5,243.47/7,234.27 = 2,974.55/x
  3. Step 3: Cross multiply
    5,243.47x = 7,234.27 × 2,974.55
  4. Step 4: Simplify right side
    5,243.47x = 21,518,697.83
  5. Step 5: Solve for x
    x = 21,518,697.83/5,243.47
  6. Step 6: Final answer
    x = 4,103.90

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1.5x scale

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.