Home / 5,247.12-7,234.30-4,299.42

Finding the Fourth Proportional to 5,247.12, 7,234.30 and 4,299.42

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Solution

The fourth proportional to 5,247.12, 7,234.30 and 4,299.42 is: 5,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.12 : 7,234.30 = 4,299.42 : x
  2. Step 2: Convert to fraction form
    5,247.12/7,234.30 = 4,299.42/x
  3. Step 3: Cross multiply
    5,247.12x = 7,234.30 × 4,299.42
  4. Step 4: Simplify right side
    5,247.12x = 31,103,294.11
  5. Step 5: Solve for x
    x = 31,103,294.11/5,247.12
  6. Step 6: Final answer
    x = 5,927.69

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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.